2b-90=120

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Solution for 2b-90=120 equation: 



2b-90=120

We move all terms to the left:

2b-90-(120)=0

We add all the numbers together, and all the variables

2b-210=0

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

2b=210

b=210/2

b=105

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