3x+7x=4x-18

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Solution for 3x+7x=4x-18 equation: 



3x+7x=4x-18

We move all terms to the left:

3x+7x-(4x-18)=0

We add all the numbers together, and all the variables

10x-(4x-18)=0

We get rid of parentheses

10x-4x+18=0

We add all the numbers together, and all the variables

6x+18=0

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

6x=-18

x=-18/6

x=-3

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