8x+12=4x+8=9x-11

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Solution for 8x+12=4x+8=9x-11 equation: 



8x+12=4x+8=9x-11

We move all terms to the left:

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

We get rid of parentheses

8x-4x-8+12=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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