2(u+21)=66

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Solution for 2(u+21)=66 equation: 



2(u+21)=66

We move all terms to the left:

2(u+21)-(66)=0

We multiply parentheses

2u+42-66=0

We add all the numbers together, and all the variables

2u-24=0

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

2u=24

u=24/2

u=12

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