3 years ago

-2x+6y=6 -7x+8y=-5 Solve for x and y

1 answer:

6 0

-2x+6y=6
-7x+8y=-5

2(7x+8y=-5)
-7(-2x+6y=6)
Distribute
14x+16y=-10
14x-42y=-42
eliminate
-26y=-32
divide
y=1.2

-2x+6(1.2)=6
-2x+7.4=6
subtract 7.4 on both sides
-2x=-1.4
divide
x=0.7

I believe this is right

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