2u+7-(-8u)=23

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Solution for 2u+7-(-8u)=23 equation: 



2u+7-(-8u)=23

We move all terms to the left:

2u+7-(-8u)-(23)=0

We add all the numbers together, and all the variables

2u-(-8u)-16=0

We get rid of parentheses

2u+8u-16=0

We add all the numbers together, and all the variables

10u-16=0

We move all terms containing u to the left, all other terms to the right

10u=16

u=16/10

u=1+3/5

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