-69=3-8u

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Solution for -69=3-8u equation:



-69=3-8u
We move all terms to the left:
-69-(3-8u)=0
We add all the numbers together, and all the variables
-(-8u+3)-69=0
We get rid of parentheses
8u-3-69=0
We add all the numbers together, and all the variables
8u-72=0
We move all terms containing u to the left, all other terms to the right
8u=72
u=72/8
u=9

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