2(2x+)=42

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



2(2x+)=42

We move all terms to the left:

2(2x+)-(42)=0

We add all the numbers together, and all the variables

2(+2x)-42=0

We multiply parentheses

4x-42=0

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

4x=42

x=42/4

x=10+1/2

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