3x+21=6-20

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Solution for 3x+21=6-20 equation: 



3x+21=6-20

We move all terms to the left:

3x+21-(6-20)=0

We add all the numbers together, and all the variables

3x+21-(-14)=0

We add all the numbers together, and all the variables

3x+35=0

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

3x=-35

x=-35/3

x=-11+2/3

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