3(-4b)+40/2=-4b

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Solution for 3(-4b)+40/2=-4b equation:



3(-4b)+40/2=-4b
We move all terms to the left:
3(-4b)+40/2-(-4b)=0
We add all the numbers together, and all the variables
3(-4b)-(-4b)+20=0
We multiply parentheses
-12b-(-4b)+20=0
We get rid of parentheses
-12b+4b+20=0
We add all the numbers together, and all the variables
-8b+20=0
We move all terms containing b to the left, all other terms to the right
-8b=-20
b=-20/-8
b=2+1/2

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