3x+21=5-21

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Solution for 3x+21=5-21 equation: 



3x+21=5-21

We move all terms to the left:

3x+21-(5-21)=0

We add all the numbers together, and all the variables

3x+21-(-16)=0

We add all the numbers together, and all the variables

3x+37=0

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

3x=-37

x=-37/3

x=-12+1/3

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