Question

solve equation (90-x)-x=20​

Answer 1

(90-x)-x=20

(90-x)=20+x

90-x=20+x

90=20+x+x

90=20+2x

90-20=2x

70=2x

70/2=x

35=x

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Answer 2

Answer:

hey the answer is x=35

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