7u-56=42

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Solution for 7u-56=42 equation: 



7u-56=42

We move all terms to the left:

7u-56-(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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