8u-4=4(u+9)

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Solution for 8u-4=4(u+9) equation:



8u-4=4(u+9)
We move all terms to the left:
8u-4-(4(u+9))=0
We calculate terms in parentheses: -(4(u+9)), so:
4(u+9)
We multiply parentheses
4u+36
Back to the equation:
-(4u+36)
We get rid of parentheses
8u-4u-36-4=0
We add all the numbers together, and all the variables
4u-40=0
We move all terms containing u to the left, all other terms to the right
4u=40
u=40/4
u=10

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