7(u+4)=-8u+13

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Solution for 7(u+4)=-8u+13 equation: 



7(u+4)=-8u+13

We move all terms to the left:

7(u+4)-(-8u+13)=0

We multiply parentheses

7u-(-8u+13)+28=0

We get rid of parentheses

7u+8u-13+28=0

We add all the numbers together, and all the variables

15u+15=0

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

15u=-15

u=-15/15

u=-1

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