21+3x=132

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Solution for 21+3x=132 equation: 



21+3x=132

We move all terms to the left:

21+3x-(132)=0

We add all the numbers together, and all the variables

3x-111=0

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

3x=111

x=111/3

x=37

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