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algol13
2 years ago
12

−5x+2y=9 y=7x ​ solve the system of equation

Mathematics
1 answer:
egoroff_w [7]2 years ago
6 0
Here to solve the equation we need to plug in the value y as given. -5x+2(7x)=9. -5x+14x=9. 9x=9. X=1.
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