SOLUTION: I need help desperately, I was absent throughout this entire section :( please help. i'm crying , i cant do it all This is Solving substitution by elimination. ==== 4)

Question 598443: I need help desperately, I was absent throughout this entire section :(
please help. i'm crying , i cant do it all

This is Solving substitution by elimination.
====
4)
-5x+2y=-2
-7x-2y=-24

5)
-2x-y=-3
5x+y=12

-

12)
y=-4x-10
y=-7x+12

13)
y=3x+14
y=-2x+4

14)
y=2x-1
2x-7y=-17
15)
y=-3x-6
7x+3y=-14
16)
3x+y=-2
-6x-y=2
17)
6x-2y=-24
7x+y=-18
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
4)
-5x+2y=-2
-7x-2y=-24
-----------add
-12x=-26
.
x=13/6
therefore y=53/12
.
Ed
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