Questions on Algebra: Equations answered by real tutors!

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Algebra: Equations

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Question 20878: 3/5 = 1(x - 1/3 - x/5)
Click here to see answer by algebrapro18(206)

Question 20820: Hello ! My problem is solving equations with variables on both sides.
6-(-5r)=5r-3. THANKS !!
Click here to see answer by smik(40)

Question 20918: what is.....the answer to: How much oil should be mixed with 20 gallons of gas if the recommened ratio of gasoline and oil is 50 to 1?
Click here to see answer by rahk(1)

Question 20864: A collection of nickles, dimes and quarters contains three times as many nickles as dimes and four more quarters than nickles. The total value of the collection $9.00 How many quarters are there? Please let me see the equation that you arrived at first?
Click here to see answer by Paul(988)

Question 20960: 9+10d=1

Click here to see answer by SuperGirl98734(12)

Question 20962: -15=-3/5x
Click here to see answer by SuperGirl98734(12)

Question 21002: My son is in pre-algebra. I am trying to help him, but I don't know what this is called! I did the questions in excel and came out with the right answers, but I don't know how to get there! I am exacerbated! Anyway...I know I am missing something, but what? -3s+2(-5s+1) s=-3
Ok, you solve what is in the ( ) first (right?); so (-5s+1) is (-5*-3+1)=-5*-3=15 then 15+1=16; so -3s+2(16); then -3*-3=9; 9+2(16), 11(16), 11*16=the wrong answer! How do you get 41? Please help. It has been over 20 years since I did any of this, and I don't remember any of it!
Thank you,
Shelli
Click here to see answer by kalants(7)

Question 21037: Please show me how to solve this problem. a+1/8=1/2
Click here to see answer by Here2Help(19)

Question 21045: how do i solve this? sum of 18 + a number is 32
is this how? a+32=18 and the solve the same way subtract 32 from both sides
Click here to see answer by lola_fish99(13)

Question 21058: 2x + 3x = 25
7 2 7
LCD is 14
im trying to solve this using the 5 step method
i need to graduate!!!!
HELP
Click here to see answer by algebrapro18(206)

Question 21092: 22f - 10 = 16f - 8
Click here to see answer by wuwei96815(245)

Question 21092: 22f - 10 = 16f - 8
Click here to see answer by suresh(20)

Question 21150: 10-6v+9v=28
Click here to see answer by ashleygurl92(6)

Question 21091: 22f - 10 = 16f + 8
Click here to see answer by rahman(247)

Question 20551: Equations Inequalities and applications
(2/3)x + 4 = (3/4)x + 2
???
Click here to see answer by lordacro(12)

Question 21143: The product of some number plus 2 and 5 is 11 less than the number times 8. Find the number.
Click here to see answer by lordacro(12)

Question 21191: the sum of two currents is 210 mA, with the larger current 30 mA more than twice the smaller current. Find the values of both currents.
Click here to see answer by lola_fish99(13)

Question 21262: Mrs. Kwok is 6 years more than 3 times as old as her daughter. 8 years ago she was 2 years less than 9 times as old as her daughter was then. Find each of their ages.

The sum of 3 times John's age and 2 times jill's age is 44. Jill is 8 years less than twice as old as John is. Find their ages
Click here to see answer by Photonjohn(42)

Question 21260: Mr. Jackons is 13 years less than 3 times as old as his son. six years ago he was 14 years more than twice as old as his son was then. Find thire age
Click here to see answer by Paul(988)

Question 21314: Solve: 7/y - 1/3 = 1/4

I have the answer - need to know the steps to get there.
Click here to see answer by elima(1433)

Question 21348: how do I simplify the fraction? s-8 / -8=-1
Click here to see answer by Here2Help(19)

Question 21354: 2x - 12= 3x + 12
Click here to see answer by 7784(2)

Question 21364: 3(x-6)=-2x-3
{2x-5)=7
Graph:
y=-2x+1
3x-2y=8
Inequality:
16-3x<5x
72< -12x
-
please help me solve these
Click here to see answer by elima(1433)

Question 21422: What is the slope of the line through (2, -8) and (4, 1)?
Click here to see answer by josmiceli(3003)

Question 21416: 3/4ofanumber
Click here to see answer by elima(1433)

Question 21424: m(squared)-5m-6=0
i have no idea what to do or even where to start!
Click here to see answer by elima(1433)

Question 21451: How do I do this: Solve algebraically the system of equations
3x-2y=11
2x+5y=1
Any help would be greatly appreciated, thank you
Click here to see answer by wuwei96815(245)

Question 21451: How do I do this: Solve algebraically the system of equations
3x-2y=11
2x+5y=1
Any help would be greatly appreciated, thank you
Click here to see answer by AnlytcPhil(958)

Question 21442: a+(a-3)=(a+2)-(a+1)
Click here to see answer by Alwayscheerful(414)

Question 21417: the product of a number c and a number d
Click here to see answer by bonster(299)

Question 20805: 4x-(9-3x)=8x-1
Click here to see answer by bonster(299)

Question 20806: 9(11-k)=3(3k-9)
Click here to see answer by bonster(299)

Question 20808: 2(6d+3)=18-3(16-3d)
Click here to see answer by bonster(299)

Question 20809: 1.4f+1.1=8.3-f
Click here to see answer by bonster(299)

Question 20804: 3t+8(2t-6)=2+14t
Click here to see answer by bonster(299)

Question 20802: 9(x+3)=4x-3
Click here to see answer by bonster(299)

Question 20801: 3n+46=1+8n
Click here to see answer by bonster(299)

Question 20799: 39-12w=7-16w
Click here to see answer by bonster(299)

Question 21229: -5x-2+3x=5x+10 i really need help with this problem
Click here to see answer by bonster(299)

Question 21239: 2z-4(9-12z)=62
Click here to see answer by bonster(299)

Question 21505: 4(5n-7)=10n+2
Click here to see answer by wuwei96815(245)

Question 21709: 2/3t=2
Click here to see answer by LKHolland(3)

Question 21719: 0.8 + d = - 0.7

Click here to see answer by LKHolland(3)

Question 21735: -8-(-c)=10
Click here to see answer by smartmathgirl(11)

Question 21751: 5-4x=-3
Click here to see answer by Alwayscheerful(414)

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