x-3=7+12

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Solution for x-3=7+12 equation: 



x-3=7+12

We move all terms to the left:

x-3-(7+12)=0

We add all the numbers together, and all the variables

x-3-19=0

We add all the numbers together, and all the variables

x-22=0

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

x=22

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