540-4x=720-7x

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Solution for 540-4x=720-7x equation: 



540-4x=720-7x

We move all terms to the left:

540-4x-(720-7x)=0

We add all the numbers together, and all the variables

-4x-(-7x+720)+540=0

We get rid of parentheses

-4x+7x-720+540=0

We add all the numbers together, and all the variables

3x-180=0

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

3x=180

x=180/3

x=60

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