8u+7u+5=20

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Solution for 8u+7u+5=20 equation: 



8u+7u+5=20

We move all terms to the left:

8u+7u+5-(20)=0

We add all the numbers together, and all the variables

15u-15=0

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

15u=15

u=15/15

u=1

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