SOLUTION: 3x-4y=7 2x-y=3 then 3x-4y=7 -8x+4y=-12 adding -5x=-5 then x=1 then 3-4y=7 then 4y=-4 then y=-1 Solution: x=1,y=-1

Algebra.Com
Question 153117: 3x-4y=7
2x-y=3
then
3x-4y=7
-8x+4y=-12
adding
-5x=-5 then x=1 then 3-4y=7 then 4y=-4 then y=-1
Solution: x=1,y=-1

Answer by oscargut(2103)   (Show Source): You can put this solution on YOUR website!
3x-4y=7
2x-y=3
then
3x-4y=7
-8x+4y=-12
adding
-5x=-5 then x=1 then 3-4y=7 then 4y=-4 then y=-1
Solution: x=1,y=-1

RELATED QUESTIONS

How do you solve for x and y, and then graph these equations? 8x + 2y = 7 3x - 4y =... (answered by Fombitz)
If 3x - 4y = 5, then what is the value of y/3 - x/4? Answer Choices: a) 5 b) -5/12... (answered by Boreal)
(1) 3x+y=1 -6x-3y=-2 (2) 3x-5y=15 x-2y=8 (3)-2x+y=5 8x-4y=12... (answered by Alan3354)
1. 4x+3y=1, x=1-y 2. 2x-y=6, -x+y=-1 3. 6x-y=3, 4x-2y=-2 4. 2x+3y=7, x=1-4y 5.... (answered by AnlytcPhil)
Simplify each expression 1. (y^-4y^5)^2 2. Brackets around the whole problem -3x^8x^-3... (answered by stanbon)
Give the x -intercept and y -intercept of the following. 1. 4x – y = 16 2. 2x + 3y (answered by lynnlo)
1. 2x-y=1 6x-3y=3 2. y=5x-1 y=5x+4 3. x+y=38 x=2y-25 4. -2x+5y=9 (answered by MathLover1)
I'm suppose to writ these equation in standard form using only integers. so I have... (answered by Alan3354)
If 4y+5-7=2y+6,then y= (answered by jim_thompson5910)