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evablogger [386]
3 years ago
6

Solve by substitution 3y-2x=10 and x=9-2y

Mathematics
1 answer:
melamori03 [73]3 years ago
3 0
3y-2(9-2y)=10
3y-18+4y=10
-y-18=10
-y=28
y=-28
3(-28)-2x=10
-84-2x=10
-2x=94
x=-47
so x is -47 and y is -28
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