4x-45=12x+75

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Solution for 4x-45=12x+75 equation: 



4x-45=12x+75

We move all terms to the left:

4x-45-(12x+75)=0

We get rid of parentheses

4x-12x-75-45=0

We add all the numbers together, and all the variables

-8x-120=0

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

-8x=120

x=120/-8

x=-15

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