3x+4x+20=x-4

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Solution for 3x+4x+20=x-4 equation: 



3x+4x+20=x-4

We move all terms to the left:

3x+4x+20-(x-4)=0

We add all the numbers together, and all the variables

7x-(x-4)+20=0

We get rid of parentheses

7x-x+4+20=0

We add all the numbers together, and all the variables

6x+24=0

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

6x=-24

x=-24/6

x=-4

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