2(u+9)=-7u+45

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Solution for 2(u+9)=-7u+45 equation:



2(u+9)=-7u+45
We move all terms to the left:
2(u+9)-(-7u+45)=0
We multiply parentheses
2u-(-7u+45)+18=0
We get rid of parentheses
2u+7u-45+18=0
We add all the numbers together, and all the variables
9u-27=0
We move all terms containing u to the left, all other terms to the right
9u=27
u=27/9
u=3

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