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Kruka [31]
3 years ago
5

Solve using elimination 3x-4y=9 and -3x+2y=9

Mathematics
1 answer:
Sindrei [870]3 years ago
7 0
3x-4y=9
-3x+2y=9
=>-2y=18
=> y= -9
=> 3x-4(-9)=9
=> 3x+36=9
=>3x= -27
=> x = -9
(-9,-9)
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