15b+40=50b+120b=

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Solution for 15b+40=50b+120b= equation:



15b+40=50b+120b=
We move all terms to the left:
15b+40-(50b+120b)=0
We add all the numbers together, and all the variables
15b-(+170b)+40=0
We get rid of parentheses
15b-170b+40=0
We add all the numbers together, and all the variables
-155b+40=0
We move all terms containing b to the left, all other terms to the right
-155b=-40
b=-40/-155
b=8/31

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