3(x=4)21

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Solution for 3(x=4)21 equation: 



3(x=4)21

We move all terms to the left:

3(x-(4)21)=0

We multiply parentheses

3x-1263=0

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

3x=1263

x=1263/3

x=421

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