3x-6=7x-42

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Solution for 3x-6=7x-42 equation: 



3x-6=7x-42

We move all terms to the left:

3x-6-(7x-42)=0

We get rid of parentheses

3x-7x+42-6=0

We add all the numbers together, and all the variables

-4x+36=0

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

-4x=-36

x=-36/-4

x=+9

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