x+2x+3x=-6-10-20

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Solution for x+2x+3x=-6-10-20 equation: 



x+2x+3x=-6-10-20

We move all terms to the left:

x+2x+3x-(-6-10-20)=0

We add all the numbers together, and all the variables

x+2x+3x-(-36)=0

We add all the numbers together, and all the variables

6x+36=0

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

6x=-36

x=-36/6

x=-6

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