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

Tutors Answer Your Questions about Linear-systems (FREE)

Question 357543: what is -8x+3=2x+11
Click here to see answer by nyc_function(2733)

Question 357753: I need help with 2(6-2x)=-9x-1/2(-4x+6).
Click here to see answer by rfer(12670)

Question 357762: Solve the following system by the addition method.
1/2x-1/3y= -4
-1/12x+1/10y= 2
x=
y=
Click here to see answer by jsmallt9(3296)

Question 357715: Find the value of k such that the system of equations is inconsistent.
15x- 3y = 6
-10y+ ky = 9
Click here to see answer by Fombitz(13828)

Question 357999: How do you solve e=wp, for p
Click here to see answer by jim_thompson5910(28598)

Question 358014: 4m-n=m, for m
Click here to see answer by jim_thompson5910(28598)

Question 358018: 7a-b=15a, for m
Click here to see answer by Fombitz(13828)

Question 358021: -5c+d=2s, for c
Click here to see answer by Fombitz(13828)

Question 358099: 4(x-3)=48
Click here to see answer by checkley77(12569)

Question 358322: show all work 14x-3=10x+1
Click here to see answer by user_dude2008(1861)

Question 358365: I need help with a linear word problem and equation (Please explain how you got your answer because I'm confused. Thank you.):
Fundrasing: To raise money, your student council is selling magazine subscriptions. The student council will receive a one-time bonus of $150 from the magazine publisher plus 38% of the subscription money. The following verbal model represents the situation. Write a linear equation from the verbal model.
Money = Bonus + Subscription . Subscription
Raised Percentage Money
What I got was m=150+0.38x.
One more thing:
How much subscription money is needed for the council to raise a total of $300? Round your answer to the nearest dollor.
Click here to see answer by solver91311(16897)

Question 358474: Please help me find the slope of p(2,-5) q(-4,3)
Click here to see answer by ewatrrr(10682)

Question 358487: Please Help!! Find an equation of the line that satisfies the given conditions
Through (-2,4) slope is -1
Click here to see answer by CharlesG2(828)

Question 358359: 2x+2y+3z=2
5x-2y+3z=0
x-5y-2z=-4
Click here to see answer by Fombitz(13828)

Question 358529: Please help find an equation of the line that satisfies the given condition....
a.) Through (-1,-2) and (4,3)
b.) Through (-3,-5) slope -7/2

Click here to see answer by checkley77(12569)

Question 358649: x+y+3z=-4
2x -z=-3
-x-y-2z=5
Click here to see answer by Edwin McCravy(8909)

Question 358653: solve system of equation by graphing then classify 2x-y=16 and 2x+3y=-8
Click here to see answer by Fombitz(13828)

Question 359074: Can you help me solve this step by step?
y=5-4x
3x-2y=12
Click here to see answer by Fombitz(13828)

Question 359298: Solve by process of elimination:
n+d+q=75
.05n+.10d+0.75q=7.25
n=5d
*this question is dealing with coins*
Click here to see answer by checkley77(12569)

Question 359544: An electric power company charges its consumers $ 0.40 per kilowatt for the first 100 kilowatts in a month, $ 0.50 per kilowatt for the second 100 kilowatts, and $ 0.60 for each additional kilowatt beyond. Mary pays $ 120 for electricity used in last month.How much electricity did her family consume in the month?
Click here to see answer by ankor@dixie-net.com(15660)

Question 359665: {x|x > -8}
Click here to see answer by Fombitz(13828)

Question 359908: please can you help me to solve this equation step by step.
S=n/2(A+t) for A
Click here to see answer by robertb(4012)

Question 359908: please can you help me to solve this equation step by step.
S=n/2(A+t) for A
Click here to see answer by mananth(12270)

Question 359908: please can you help me to solve this equation step by step.
S=n/2(A+t) for A
Click here to see answer by jim_thompson5910(28598)

Question 359964: -2/3x-6=-4
How do we solve for x?
Click here to see answer by rfer(12670)

Question 359980: What dimensions give you the greatest area
Click here to see answer by rfer(12670)

Question 360192: how do you solve the equation 4x+7x=33 in linear equations
Click here to see answer by rfer(12670)

Question 360246: I need help solving y= -2x + 9
-3x + y = -1
I need to graph this and I'm aliitle confused. Can you help?
thanks in advance
T. Jones
Click here to see answer by stanbon(57387)

Question 360246: I need help solving y= -2x + 9
-3x + y = -1
I need to graph this and I'm aliitle confused. Can you help?
thanks in advance
T. Jones
Click here to see answer by rfer(12670)

Question 360274: 2x + 3y + 3z = 6
-x + y + z = 2
Click here to see answer by robertb(4012)

Question 360407: What is the answer to these 3 variables
3x+y+z=14
5x-y+5z=30
-x+2y-3z=-9
Click here to see answer by Edwin McCravy(8909)

Question 360577: The population of Johnstown is increasing linearly in time. In 2000, the population was 47. In 2006, it was 77. Let y be the populatiion and x be the year using 0 for the year 2000.
Write an equation representing this relationship.
Estimate the population in 2018.
Any advise is great appreciated!
Click here to see answer by mananth(12270)

Question 360594: Show how you would solve the following systems of equations: x + Y + Z = 6 2X – Y + 3Z = 8 3X – 2Y – Z = -17
Click here to see answer by Alan3354(30993)

Question 360764: Solve the following system of equations. (this means – find the value for X and the value for Y - they should be the SAME for each equation!)You may use the elimination or substitution method:
x – y = 1
2x – y = 5

Click here to see answer by jim_thompson5910(28598)

Question 360758: Solve 2[g(t)] if g(x) = x squared - 2x
Click here to see answer by stanbon(57387)

Question 361018: How can i solve this using Gaussian elimination method?
x+y+z=4
2x-y+3z=4
4x+2y-z=-15
Click here to see answer by Edwin McCravy(8909)

Question 361660: How do you graph linear equations?
y=2x-6
Click here to see answer by shorty4aboo(8)

Question 361788: i need help with this problem i dont know how to solve it.
The topic is System of equation
2x-3y=16
y=2/3x-4

Click here to see answer by Fombitz(13828)

Question 361785: I want to solve the following linear equation.
3(x-7)-2(x-5)=x-11
Click here to see answer by fractalier(2101)

Question 361831: Solve −9 + 24 ÷ ( −6) the steps on how It's done.
Click here to see answer by edjones(7569)

Question 361734: An algebra teacher drove by a farmyard full of chickens and pigs. The teacher happened to notice that there were a total of 100 heads and 270 legs. How many chickens were there? how many pigs were there?
Click here to see answer by robertb(4012)

Question 361856: 5*x=3*y-4
5*y=3*x-4
Click here to see answer by Fombitz(13828)

Question 361855: 5*x=3*y-4
5*y=3*x-4
Click here to see answer by Fombitz(13828)

Question 361927: how do you translate the equation 2(3+X)=Y TO A VERBAL MODEL

Click here to see answer by checkley77(12569)

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