7(u+20)=42

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Solution for 7(u+20)=42 equation: 



7(u+20)=42

We move all terms to the left:

7(u+20)-(42)=0

We multiply parentheses

7u+140-42=0

We add all the numbers together, and all the variables

7u+98=0

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

7u=-98

u=-98/7

u=-14

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