100=u+9

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Solution for 100=u+9 equation:



100=u+9
We move all terms to the left:
100-(u+9)=0
We get rid of parentheses
-u-9+100=0
We add all the numbers together, and all the variables
-1u+91=0
We move all terms containing u to the left, all other terms to the right
-u=-91
u=-91/-1
u=+91

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