3(x=1)=21

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Solution for 3(x=1)=21 equation: 



3(x=1)=21

We move all terms to the left:

3(x-(1))=0

We multiply parentheses

3x-3=0

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

3x=3

x=3/3

x=1

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