42=7+u/5

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Solution for 42=7+u/5 equation: 



42=7+u/5

We move all terms to the left:

42-(7+u/5)=0

We add all the numbers together, and all the variables

-(u/5+7)+42=0

We get rid of parentheses

-u/5-7+42=0

We multiply all the terms by the denominator


-u-7*5+42*5=0

We add all the numbers together, and all the variables

-1u+175=0

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

-u=-175

u=-175/-1

u=+175

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