2x+120=30

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Solution for 2x+120=30 equation: 



2x+120=30

We move all terms to the left:

2x+120-(30)=0

We add all the numbers together, and all the variables

2x+90=0

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

2x=-90

x=-90/2

x=-45

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