3x+10+x=-18

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Solution for 3x+10+x=-18 equation: 



3x+10+x=-18

We move all terms to the left:

3x+10+x-(-18)=0

We add all the numbers together, and all the variables

4x+28=0

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

4x=-28

x=-28/4

x=-7

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