39=46-u

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Solution for 39=46-u equation:



39=46-u
We move all terms to the left:
39-(46-u)=0
We add all the numbers together, and all the variables
-(-1u+46)+39=0
We get rid of parentheses
1u-46+39=0
We add all the numbers together, and all the variables
u-7=0
We move all terms containing u to the left, all other terms to the right
u=7

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