Question

Sabem quanto e: 11y-4(1-y)-3.(2y-2)=20

Answer 1

11y—4(1-y)-3•(2y-2)=20

11y—4+4y—6y+6=20

11y+4y—6y=20+4-6
15y-6y=24-6
9y=18
y = 18/9
y = 2

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