2x+21=137

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Solution for 2x+21=137 equation: 



2x+21=137

We move all terms to the left:

2x+21-(137)=0

We add all the numbers together, and all the variables

2x-116=0

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

2x=116

x=116/2

x=58

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