SOLUTION: 6x-y=-4 2x+2y=15
Algebra
->
Systems-of-equations
-> SOLUTION: 6x-y=-4 2x+2y=15
Log On
Algebra: Systems of equations that are not linear
Section
Solvers
Solvers
Lessons
Lessons
Answers archive
Answers
Click here to see ALL problems on Systems-of-equations
Question 359736
:
6x-y=-4
2x+2y=15
Answer by
checkley77(12844)
(
Show Source
):
You can
put this solution on YOUR website!
6x-y=-4 multiply by 2 & add.
2x+2y=15
12x-2y=-8
--------------
14x=7
x=7/14
x=.5 ans.
6*.5-y=-4
3-y=-4
-y=-4-3
-y=-7
y=7 ans.
Proof:
2*.5+2*7=15
1+14=15
15=15