5x+8=-2x-1

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Solution for 5x+8=-2x-1 equation: 



5x+8=-2x-1

We move all terms to the left:

5x+8-(-2x-1)=0

We get rid of parentheses

5x+2x+1+8=0

We add all the numbers together, and all the variables

7x+9=0

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

7x=-9

x=-9/7

x=-1+2/7

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