7=3(u+1)-11

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Solution for 7=3(u+1)-11 equation:



7=3(u+1)-11
We move all terms to the left:
7-(3(u+1)-11)=0
We calculate terms in parentheses: -(3(u+1)-11), so:
3(u+1)-11
We multiply parentheses
3u+3-11
We add all the numbers together, and all the variables
3u-8
Back to the equation:
-(3u-8)
We get rid of parentheses
-3u+8+7=0
We add all the numbers together, and all the variables
-3u+15=0
We move all terms containing u to the left, all other terms to the right
-3u=-15
u=-15/-3
u=+5

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