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vovangra [49]
3 years ago
8

Solve by substitution x+2y=11 and 3x-7y=-32

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
5 0
3(-2y+11)-7y=-32
-6y+33-7y=-32
-13y+33=-32
-13y=1
y=-1/13
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