12x-3=10x+21

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



12x-3=10x+21

We move all terms to the left:

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

We get rid of parentheses

12x-10x-21-3=0

We add all the numbers together, and all the variables

2x-24=0

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

2x=24

x=24/2

x=12

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