2(x=20)=42

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Solution for 2(x=20)=42 equation: 



2(x=20)=42

We move all terms to the left:

2(x-(20))=0

We multiply parentheses

2x-40=0

We move all terms containing x to the left, all other terms to the right

2x=40

x=40/2

x=20

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