4x+21=-x-14

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Solution for 4x+21=-x-14 equation: 



4x+21=-x-14

We move all terms to the left:

4x+21-(-x-14)=0

We add all the numbers together, and all the variables

4x-(-1x-14)+21=0

We get rid of parentheses

4x+1x+14+21=0

We add all the numbers together, and all the variables

5x+35=0

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

5x=-35

x=-35/5

x=-7

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