SOLUTION: Solve by substitution: 3x+2y=18 3x+8y=36 Enter answer using parentheses.

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Question 772435: Solve by substitution:
3x+2y=18
3x+8y=36
Enter answer using parentheses.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Solve by substitution:
3x+2y=18
3x+8y=36
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3x = -2y + 18
3x = -8y + 36
Sub for 3x
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-2y + 18 = -8y + 36
6y = 18
y = 3
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x = 4