-1=21+b

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Solution for -1=21+b equation:



-1=21+b
We move all terms to the left:
-1-(21+b)=0
We add all the numbers together, and all the variables
-(b+21)-1=0
We get rid of parentheses
-b-21-1=0
We add all the numbers together, and all the variables
-1b-22=0
We move all terms containing b to the left, all other terms to the right
-b=22
b=22/-1
b=-22

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