SOLUTION: Solve by the substitution method. 4m + n = 33 m - 7n = 30

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Question 565524: Solve by the substitution method.
4m + n = 33
m - 7n = 30
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Solve by the substitution method.
4m + n = 33
m - 7n = 30
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m = 7n+30
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Substitute for "m" and solve for "n":
4(7n+30) + n = 33
28n + 120 + n = 33
29n + 120 = 33
29n = -87
n = -3
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Solve for "m":
m = 7n+30
m = 7(-3)+30
m = 9
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Cheers,
Stan H.