8(u+3)+7u=9

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Solution for 8(u+3)+7u=9 equation: 



8(u+3)+7u=9

We move all terms to the left:

8(u+3)+7u-(9)=0

We add all the numbers together, and all the variables

7u+8(u+3)-9=0

We multiply parentheses

7u+8u+24-9=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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