5x+6=-8x-21

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Solution for 5x+6=-8x-21 equation: 



5x+6=-8x-21

We move all terms to the left:

5x+6-(-8x-21)=0

We get rid of parentheses

5x+8x+21+6=0

We add all the numbers together, and all the variables

13x+27=0

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

13x=-27

x=-27/13

x=-2+1/13

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