9x-27=4x-7

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Solution for 9x-27=4x-7 equation: 



9x-27=4x-7

We move all terms to the left:

9x-27-(4x-7)=0

We get rid of parentheses

9x-4x+7-27=0

We add all the numbers together, and all the variables

5x-20=0

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

5x=20

x=20/5

x=4

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