-9=-u+7/2

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Solution for -9=-u+7/2 equation: 



-9=-u+7/2

We move all terms to the left:

-9-(-u+7/2)=0

We add all the numbers together, and all the variables

-(-1u+7/2)-9=0

We get rid of parentheses

1u-9-7/2=0

We multiply all the terms by the denominator


1u*2-7-9*2=0

We add all the numbers together, and all the variables

1u*2-25=0

Wy multiply elements

2u-25=0

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

2u=25

u=25/2

u=12+1/2

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