7+12x=4x+9

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Solution for 7+12x=4x+9 equation: 



7+12x=4x+9

We move all terms to the left:

7+12x-(4x+9)=0

We get rid of parentheses

12x-4x-9+7=0

We add all the numbers together, and all the variables

8x-2=0

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

8x=2

x=2/8

x=1/4

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