4x+8=9x+12

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



4x+8=9x+12

We move all terms to the left:

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

We get rid of parentheses

4x-9x-12+8=0

We add all the numbers together, and all the variables

-5x-4=0

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

-5x=4

x=4/-5

x=-4/5

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