Questions on Algebra: Systems of Linear Equations answered by real tutors!

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Question 407728: The video store has a basic charge for a 3-day rental and a different per-day late fee. Nate was one day late and paid $5.50 in all for his video. Gina was four days late and paid $10.00 in all for her video. What is the basic fee and the per-day late fee that the store charges?
Click here to see answer by graphmatics(170)

Question 407761: how do you solve 5x-7y=9,4x-3y=33
Click here to see answer by Tatiana_Stebko(1539)

Question 407761: how do you solve 5x-7y=9,4x-3y=33
Click here to see answer by mananth(16946)

Question 408039: (1 pt) Solve the equation
2x − 5y + 5z = 11.
Click here to see answer by richard1234(7193)

Question 408182: How do I solve this equation?
12c + 8.25(55 � c) = 585
Click here to see answer by ewatrrr(24785)

Question 408217: i need an example of a distance, a chemistry, and a "heads and legs" word problem and the answers. my teacher was talking about them and i didnt know what they were
Click here to see answer by josmiceli(19441)

Question 408312: how do I solve by addition. the second equation of the system has me stumped. How do I elimated one?
5x-7y=2
3x=4y
Click here to see answer by algebrahouse.com(1659)

Question 408373:
Click here to see answer by cesardelrosario(3)

Question 408380: x+y=4
y=3x
Click here to see answer by cesardelrosario(3)

Question 408453: heyy im amina i was just wondering how do slove this
3x+2y=5
5x-2y=7
Click here to see answer by ankor@dixie-net.com(22740)

Question 408505: Find the center and radius of the circle: x^2+y^2=9 (I think it's (0,0) with a radius of 3)
Click here to see answer by scott8148(6628)

Question 392464: can u help me with an equation plz the equation is:
x
- - 2=6
2
Click here to see answer by Stargal510(1)

Question 408741: A planes flies south at 192mph. Two hours later another plane leaves at 960mph. when will the second plane pass the first plane.
Click here to see answer by ewatrrr(24785)

Question 408581: use the substitution method to determine the solution of the system of linear question:x+y=8 y=3x
Click here to see answer by ewatrrr(24785)

Question 408700: 586 people attend a banquet at Disney. residents paid $12.95 and non-residents paid $17.95. if Disney made $9423.70 from ticket for the event, how many residents and non-residents attended? I can't seem to solve this problem.
Click here to see answer by ewatrrr(24785)

Question 408916: Solve by substitution method
y=40+0.25x
y=35+0.30x

Click here to see answer by ilovezvezda(1)

Question 408916: Solve by substitution method
y=40+0.25x
y=35+0.30x

Click here to see answer by Blued0517(1)

Question 409165: 24-6y > -2(y+6)

Click here to see answer by Adrish(44)

Question 409604: A tennis club charges an annual fee and a hourly fee for court time. One year, Tony played for 39 h and paid $384. Sandra played for 51 h and paid $456. Find the annual fee and the hourly fee.
Click here to see answer by nerdybill(7384)

Question 409871: what is 9-3t=17+t
Click here to see answer by fractalier(6550)

Question 410190: How to solve

Click here to see answer by solver91311(24713)

Question 410184: I need to solve this equation using the graphing method.
6x + 4y =2
3x + 2y =1
Click here to see answer by checkley79(3341)

Question 410262: Jorge plans to have an ice cream stand. His cost will be $225 to rent the cart and 50 cents for each ice cream sandwich. He plans to sell them for $1.25 . How many sandwiches will he have to sell in order to break even?
Click here to see answer by rfer(16322)

Question 410101: Please help me solve this system of equations by the addition method:
6x+9y=-41
15x-6y=40
I tried to solve the problem but I came up with using a different number for each equation. I know you have to use the same number for both equations.
Thanks for your help!
Vanessa
Click here to see answer by ankor@dixie-net.com(22740)

Question 410102: Solve the systems of equations by the substitution method:
y=9x+7
3x-2y=1
Thanks,
Vanessa
Click here to see answer by ankor@dixie-net.com(22740)

Question 410578: Find the missing values that solve this equation.
2x+y = 6

Click here to see answer by Alan3354(69443)

Question 410600: solve
-3
Click here to see answer by Alan3354(69443)

Question 410160: tell whether the y=x-1, y=-3x-5 has one solution, many solutions, or no solution
Click here to see answer by richard1234(7193)

Question 410820: Solve by substitution.
7x-6y=-80
5x+67=y
What is the solution?
Type an ordered pair.
Click here to see answer by angelagallegos(8)

Question 411059: Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).
2x + 5y = 2
-3x - y = -3
Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).
8x - y = 31
5x + 3y = 23
Solve this system of equations using substitution. Put your answer in ordered pair form, (x, y).
2x + 6y = 24
5x - 2y = 9

Click here to see answer by MathLover1(20850)

Question 411123: Can this problem be done by elimination are subsitution
if so can you show me which one and how to do it?
y+4x=-5
y+5x=3
Click here to see answer by rfer(16322)

Question 411123: Can this problem be done by elimination are subsitution
if so can you show me which one and how to do it?
y+4x=-5
y+5x=3
Click here to see answer by ewatrrr(24785)

Question 411131: Solve by substitution method.
8x+5y=29
-8x+y=25
Click here to see answer by robertb(5830)

Question 410974: Bayside insurance offers two health plans. Under plan A, Giselle would have to pay the first $60 of her medical bills, plus 25% of the rest. Under plan B, Giselle would pay the first $210, but only 20% of the rest. For what amount of medical bills will plan B save Giselle money? Assume she has over $210 in bills.
Click here to see answer by ankor@dixie-net.com(22740)

Question 411252: what solution set will satisfy if the system of equation 4x+y=8 a2x=3y+11 are manipulated using substitution?

Click here to see answer by ewatrrr(24785)

Question 411312: 1.separate 46 into two parts so that one part is more than twice as much as the first part. find each part.
Click here to see answer by ewatrrr(24785)

Question 411517: I am trying to solve a set of equations by the elimination method, but I am having trouble. The set of equations I have to solve are 4x-5y=38 and 7x-8y=22.
Can someone please help?
Click here to see answer by nerdybill(7384)

Question 411528: what solution set will satisfy if the system of equation 4x+y=8 and 2x=3y+11 are manipulated using substitution?

Click here to see answer by rfadrogane(214)

Question 412009: i have to write my own linear system problem for school and solve it by using elimination and substitution but when i tried solving it i got two different solutions
the equations are y=1500+20x and y=3000+10x
when i used substitution i got (150,4500)and with elimination i got (-300,-4500)
is that correct or wrong?
Click here to see answer by nerdybill(7384)

Question 412025: I am not understanding how to Solve the system of linear equation using matrices.
x+y=3
4y=12
7x+3y-4z=5
Can you guide me step by step in solving it?
Click here to see answer by ewatrrr(24785)

Question 412030: Solve using the multiplication principle first. Then add. Then show your check for both equations.
-x-y=8 equation (1)
2x-y=-1 equation (2)
I think I have the correct answers. x=-3 and y=-5. My problem is my check on the first equation -x-y=8. I cannot get it to check. The second equation checks. 2x-y=-1: 2*3-(-5)=-1. Can you show me how to check -x-y=8 please. I have spent an hour trying to get this to check and it won't. This algebra area we are doing is System of equations the elimination method and we have to do the multiplication principle first, then add, then do our checks for each equation. I have to turn this in first thing in the morning and I am frustrated at this point because I cannot make the first problem check. Please help.
Click here to see answer by solver91311(24713)

Question 412065: Solve the system of linear equation using matrices
x+y=1
x-7y=17

I wanted to double chek it but i got (3,-2) is it right? if not please correct me.
Click here to see answer by Alan3354(69443)

Question 412068: Solve the system of linear equation using matrices
x+6y=7
x+5y=5
I wanted to double chek it but i got (5,-2) is it right? if not please correct me.

Click here to see answer by sudhanshu_kmr(1152)

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