15=3(u+8)-6u

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Solution for 15=3(u+8)-6u equation:



15=3(u+8)-6u
We move all terms to the left:
15-(3(u+8)-6u)=0
We calculate terms in parentheses: -(3(u+8)-6u), so:
3(u+8)-6u
We add all the numbers together, and all the variables
-6u+3(u+8)
We multiply parentheses
-6u+3u+24
We add all the numbers together, and all the variables
-3u+24
Back to the equation:
-(-3u+24)
We get rid of parentheses
3u-24+15=0
We add all the numbers together, and all the variables
3u-9=0
We move all terms containing u to the left, all other terms to the right
3u=9
u=9/3
u=3

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