-10+u=10-9u

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Solution for -10+u=10-9u equation:



-10+u=10-9u
We move all terms to the left:
-10+u-(10-9u)=0
We add all the numbers together, and all the variables
u-(-9u+10)-10=0
We get rid of parentheses
u+9u-10-10=0
We add all the numbers together, and all the variables
10u-20=0
We move all terms containing u to the left, all other terms to the right
10u=20
u=20/10
u=2

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