SOLUTION: 3X-y=5
X-y=7
Algebra.Com
Question 999264: 3X-y=5
X-y=7
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
3 x -1 y = 5 .............1
Total value
1 x -1 y = 7 .............2
Eliminate y
multiply (1)by -1
Multiply (2) by 1
-3 x 1 y = -5
1 x -1 y = 7
Add the two equations
-2 x = 2
/ -2
x = -1
plug value of x in (1)
3 x -1 y = 5
-3 -1 y = 5
-1 y = 5 + 3
-1 y = 8
y = -8
RELATED QUESTIONS
x+y=5
3x-y=7
(answered by stanbon,praseenakos@yahoo.com)
(x+5)(3x+9)... (answered by Fombitz)
how to solve 3x+y=5... (answered by stanbon)
x+6y>7... (answered by drj)
3x-y=-7
x+y=... (answered by solver91311)
y=x+1... (answered by RAY100)
y=3x + 7
y=... (answered by algebrahouse.com)
x+y=-7... (answered by littlealice)
X=y-7... (answered by josgarithmetic)