4x-9=7x+120

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Solution for 4x-9=7x+120 equation: 



4x-9=7x+120

We move all terms to the left:

4x-9-(7x+120)=0

We get rid of parentheses

4x-7x-120-9=0

We add all the numbers together, and all the variables

-3x-129=0

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

-3x=129

x=129/-3

x=-43

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