10+3x+12=21

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Solution for 10+3x+12=21 equation: 



10+3x+12=21

We move all terms to the left:

10+3x+12-(21)=0

We add all the numbers together, and all the variables

3x+1=0

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

3x=-1

x=-1/3

x=-1/3

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