(u-3)*7=49

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Solution for (u-3)*7=49 equation: 



(u-3)*7=49

We move all terms to the left:

(u-3)*7-(49)=0

We multiply parentheses

7u-21-49=0

We add all the numbers together, and all the variables

7u-70=0

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

7u=70

u=70/7

u=10

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