-3u-1=8(u-7)

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Solution for -3u-1=8(u-7) equation:



-3u-1=8(u-7)
We move all terms to the left:
-3u-1-(8(u-7))=0
We calculate terms in parentheses: -(8(u-7)), so:
8(u-7)
We multiply parentheses
8u-56
Back to the equation:
-(8u-56)
We get rid of parentheses
-3u-8u+56-1=0
We add all the numbers together, and all the variables
-11u+55=0
We move all terms containing u to the left, all other terms to the right
-11u=-55
u=-55/-11
u=+5

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