3x+21=25

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Solution for 3x+21=25 equation: 



3x+21=25

We move all terms to the left:

3x+21-(25)=0

We add all the numbers together, and all the variables

3x-4=0

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

3x=4

x=4/3

x=1+1/3

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