3x+21=5-9

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Solution for 3x+21=5-9 equation: 



3x+21=5-9

We move all terms to the left:

3x+21-(5-9)=0

We add all the numbers together, and all the variables

3x+21-(-4)=0

We add all the numbers together, and all the variables

3x+25=0

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

3x=-25

x=-25/3

x=-8+1/3

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