3x+1=12x-4=75

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Solution for 3x+1=12x-4=75 equation: 



3x+1=12x-4=75

We move all terms to the left:

3x+1-(12x-4)=0

We get rid of parentheses

3x-12x+4+1=0

We add all the numbers together, and all the variables

-9x+5=0

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

-9x=-5

x=-5/-9

x=5/9

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