7x+12-3=4x+18

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Solution for 7x+12-3=4x+18 equation: 



7x+12-3=4x+18

We move all terms to the left:

7x+12-3-(4x+18)=0

We add all the numbers together, and all the variables

7x-(4x+18)+9=0

We get rid of parentheses

7x-4x-18+9=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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