120+4x+6=7x+15=120

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Solution for 120+4x+6=7x+15=120 equation: 



120+4x+6=7x+15=120

We move all terms to the left:

120+4x+6-(7x+15)=0

We add all the numbers together, and all the variables

4x-(7x+15)+126=0

We get rid of parentheses

4x-7x-15+126=0

We add all the numbers together, and all the variables

-3x+111=0

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

-3x=-111

x=-111/-3

x=+37

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