-9=7+b

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Solution for -9=7+b equation:



-9=7+b
We move all terms to the left:
-9-(7+b)=0
We add all the numbers together, and all the variables
-(b+7)-9=0
We get rid of parentheses
-b-7-9=0
We add all the numbers together, and all the variables
-1b-16=0
We move all terms containing b to the left, all other terms to the right
-b=16
b=16/-1
b=-16

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