SOLUTION: how do i solve 2x-3y=-25 3x+y=1 by substitution

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Question 424571: how do i solve 2x-3y=-25
3x+y=1 by substitution
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
solve 2x-3y=-25
3x+y=1 by substitution
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Here's one way:
y = (2x+25)/3
y = (1-3x)
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Substitute y for y:
1-3x = (2x+25)/3
3-9x = 2x+25
11x = -22
x = -2
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Solve for "y":
y = 1-3x
y = 1-3*-2
y = 7
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Cheers,
Stan H.
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