5+2x+x=-13

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Solution for 5+2x+x=-13 equation: 



5+2x+x=-13

We move all terms to the left:

5+2x+x-(-13)=0

We add all the numbers together, and all the variables

3x+18=0

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

3x=-18

x=-18/3

x=-6

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