19x+7=12x+21

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Solution for 19x+7=12x+21 equation: 



19x+7=12x+21

We move all terms to the left:

19x+7-(12x+21)=0

We get rid of parentheses

19x-12x-21+7=0

We add all the numbers together, and all the variables

7x-14=0

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

7x=14

x=14/7

x=2

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