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kompoz [17]
3 years ago
9

Solve the system: y = 4x + 6 -5x - y = 21

Mathematics
1 answer:
Hitman42 [59]3 years ago
6 0
Substitute y in second equation
-5x-(4x+6)=21
-9x-6=21
9x+6=-21
9x=-27
X=-3
Solve for y:
Y=4(-3)+6
Y=-6
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