SOLUTION: What is the first step to solve this using the elimination method: 5x-2y=-15 3x+3y=12

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Question 1015688: What is the first step to solve this using the elimination method:
5x-2y=-15
3x+3y=12

Found 3 solutions by macston, rothauserc, fractalier:
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
Multiply (5x-2y=-15) by 3.
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15x-6y=-45
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Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
First step is to solve 3x + 3y = 12 for x
x = 4 -y
:
then substitute (4 - y) for x in equation 5x -2y = -15 and solve for y

Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
I would multiply the second equation by 2/3, giving you
2x + 2y = 8