SOLUTION: Hello :) Can you solve these three equations for me? They're for bonus/extra credits. I can't seem to figure them out :/ This is Solving substitution by elimination. ==== 12

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Question 599437: Hello :) Can you solve these three equations for me? They're for bonus/extra credits. I can't seem to figure them out :/
This is Solving substitution by elimination.
====
12)
y=-4x-10
y=-7x+12
13)
y=3x+14
y=-2x+4
14)
y=2x-1
2x-7y=-17

Answer by edjones(8007)   (Show Source): You can put this solution on YOUR website!
12)
y=-4x-10
y=-7x+12
.
-7x+12=-4x-10
-3x=-22
x=22/3
y=-118/3
.
Ed

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