7u-43=9(u-7)

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Solution for 7u-43=9(u-7) equation: 



7u-43=9(u-7)

We move all terms to the left:

7u-43-(9(u-7))=0



We calculate terms in parentheses: -(9(u-7)), so:

9(u-7)

We multiply parentheses

9u-63

Back to the equation:

-(9u-63)



We get rid of parentheses

7u-9u+63-43=0

We add all the numbers together, and all the variables

-2u+20=0

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

-2u=-20

u=-20/-2

u=+10

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