4x-(120-x)=105

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Solution for 4x-(120-x)=105 equation: 



4x-(120-x)=105

We move all terms to the left:

4x-(120-x)-(105)=0

We add all the numbers together, and all the variables

4x-(-1x+120)-105=0

We get rid of parentheses

4x+1x-120-105=0

We add all the numbers together, and all the variables

5x-225=0

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

5x=225

x=225/5

x=45

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