3.2=15.7-5u

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Solution for 3.2=15.7-5u equation: 



3.2=15.7-5u

We move all terms to the left:

3.2-(15.7-5u)=0

We add all the numbers together, and all the variables

-(-5u+15.7)+3.2=0

We get rid of parentheses

5u-15.7+3.2=0

We add all the numbers together, and all the variables

5u-12.5=0

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

5u=12.5

u=12.5/5

u=2+2.5/5

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