42b-11b-13b-(-30b)=48

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Solution for 42b-11b-13b-(-30b)=48 equation: 



42b-11b-13b-(-30b)=48

We move all terms to the left:

42b-11b-13b-(-30b)-(48)=0

We add all the numbers together, and all the variables

18b-(-30b)-48=0

We get rid of parentheses

18b+30b-48=0

We add all the numbers together, and all the variables

48b-48=0

We move all terms containing b to the left, all other terms to the right

48b=48

b=48/48

b=1

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