57=(13)(4)+b

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Solution for 57=(13)(4)+b equation:



57=(13)(4)+b
We move all terms to the left:
57-((13)(4)+b)=0
We add all the numbers together, and all the variables
-(b+134)+57=0
We get rid of parentheses
-b-134+57=0
We add all the numbers together, and all the variables
-1b-77=0
We move all terms containing b to the left, all other terms to the right
-b=77
b=77/-1
b=-77

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