SOLUTION: 10) how to solve x+2y=8 with the substitution of x+3y=12

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Question 395512: 10) how to solve x+2y=8 with the substitution of x+3y=12
Answer by Jstrasner(112) About Me  (Show Source):
You can put this solution on YOUR website!
Hey,
So for this one we need to isolate one of the variables:
x+2y=8 => x=8-2y
Then substitute 8-2y for x in the second equation:
(8-2y) + 3y = 12
then subtract 8 from both sides and you get:
y = 4
I hope this helps!