3(2(6)-5)=21

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Solution for 3(2(6)-5)=21 equation: 


Simplifying
3(2(6) + -5) = 21

Multiply 2 * 6
3(12 + -5) = 21

Combine like terms: 12 + -5 = 7
3(7) = 21

Multiply 3 * 7
21 = 21

Add '-21' to each side of the equation.
21 + -21 = 21 + -21

Combine like terms: 21 + -21 = 0
0 = 21 + -21

Combine like terms: 21 + -21 = 0
0 = 0

Solving
0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions.

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