5x+14=-2x-21

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Solution for 5x+14=-2x-21 equation: 



5x+14=-2x-21

We move all terms to the left:

5x+14-(-2x-21)=0

We get rid of parentheses

5x+2x+21+14=0

We add all the numbers together, and all the variables

7x+35=0

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

7x=-35

x=-35/7

x=-5

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