3.9(u+2)-9=10.5

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Solution for 3.9(u+2)-9=10.5 equation: 



3.9(u+2)-9=10.5

We move all terms to the left:

3.9(u+2)-9-(10.5)=0

We add all the numbers together, and all the variables

3.9(u+2)-19.5=0

We multiply parentheses

3.9u+7.8-19.5=0

We add all the numbers together, and all the variables

3.9u-11.7=0

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

3.9u=11.7

u=11.7/3.9

u=3

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