9x+4x=12x+8

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Solution for 9x+4x=12x+8 equation: 



9x+4x=12x+8

We move all terms to the left:

9x+4x-(12x+8)=0

We add all the numbers together, and all the variables

13x-(12x+8)=0

We get rid of parentheses

13x-12x-8=0

We add all the numbers together, and all the variables

x-8=0

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

x=8

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