9x-4=42+12x+8

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Solution for 9x-4=42+12x+8 equation: 



9x-4=42+12x+8

We move all terms to the left:

9x-4-(42+12x+8)=0

We add all the numbers together, and all the variables

9x-(12x+50)-4=0

We get rid of parentheses

9x-12x-50-4=0

We add all the numbers together, and all the variables

-3x-54=0

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

-3x=54

x=54/-3

x=-18

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