SOLUTION: 3x+7y=33
-7x+y=27
Solve using the substitution method.
Algebra.Com
Question 553920: 3x+7y=33
-7x+y=27
Solve using the substitution method.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
y=7x+27
3x+7(7x+27)=33
3x+49x+189=33
52x=-156
x=-3
-----------
3*-3+7y=33
-9+7y=33
7y=42
y=6
-----------
-7*-3+6=27
21+6=27
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