3(2+7)=21

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Solution for 3(2+7)=21 equation: 


Simplifying
3(2 + 7) = 21

Combine like terms: 2 + 7 = 9
3(9) = 21

Multiply 3 * 9
27 = 21

Solving
27 = 21

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

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