27=9+b

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Solution for 27=9+b equation:



27=9+b
We move all terms to the left:
27-(9+b)=0
We add all the numbers together, and all the variables
-(b+9)+27=0
We get rid of parentheses
-b-9+27=0
We add all the numbers together, and all the variables
-1b+18=0
We move all terms containing b to the left, all other terms to the right
-b=-18
b=-18/-1
b=+18

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