SOLUTION: i need to see the work step by step for this problem (substitution method): x=6+y 3x=-y+6

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Question 701563: i need to see the work step by step for this problem (substitution method):
x=6+y
3x=-y+6
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
(substitution method):
x=6+y
3x=-y+6
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Substitute for "x" and solve for "y":
3(6+y) = -y+6
18 + 3y = -y+6
4y = -12
y = -3
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solve for "x"
x = 6 + y
x = 6 + -3
x = 3
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Cheers,
Stan H.
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