5u+15-7u=13

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Solution for 5u+15-7u=13 equation: 



5u+15-7u=13

We move all terms to the left:

5u+15-7u-(13)=0

We add all the numbers together, and all the variables

-2u+2=0

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

-2u=-2

u=-2/-2

u=1

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