5*(5u-3)=7*(9-2u)

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Solution for 5*(5u-3)=7*(9-2u) equation: 



5(5u-3)=7(9-2u)

We move all terms to the left:

5(5u-3)-(7(9-2u))=0

We add all the numbers together, and all the variables

5(5u-3)-(7(-2u+9))=0

We multiply parentheses

25u-(7(-2u+9))-15=0



We calculate terms in parentheses: -(7(-2u+9)), so:

7(-2u+9)

We multiply parentheses

-14u+63

Back to the equation:

-(-14u+63)



We get rid of parentheses

25u+14u-63-15=0

We add all the numbers together, and all the variables

39u-78=0

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

39u=78

u=78/39

u=2

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