7x-3=72-18x

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Solution for 7x-3=72-18x equation: 



7x-3=72-18x

We move all terms to the left:

7x-3-(72-18x)=0

We add all the numbers together, and all the variables

7x-(-18x+72)-3=0

We get rid of parentheses

7x+18x-72-3=0

We add all the numbers together, and all the variables

25x-75=0

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

25x=75

x=75/25

x=3

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