x+21+2x=-6-2x-13

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Solution for x+21+2x=-6-2x-13 equation: 



x+21+2x=-6-2x-13

We move all terms to the left:

x+21+2x-(-6-2x-13)=0

We add all the numbers together, and all the variables

x+2x-(-2x-19)+21=0

We add all the numbers together, and all the variables

3x-(-2x-19)+21=0

We get rid of parentheses

3x+2x+19+21=0

We add all the numbers together, and all the variables

5x+40=0

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

5x=-40

x=-40/5

x=-8

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