u/3-1.2=-8.7

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Solution for u/3-1.2=-8.7 equation: 



u/3-1.2=-8.7

We move all terms to the left:

u/3-1.2-(-8.7)=0

We add all the numbers together, and all the variables

u/3+7.5=0

We multiply all the terms by the denominator


u+(7.5)*3=0

We add all the numbers together, and all the variables

u+22.5=0

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

u=-22.5

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