6+5*(4-1)=21

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Solution for 6+5*(4-1)=21 equation: 


Simplifying
6 + 5(4 + -1) = 21

Combine like terms: 4 + -1 = 3
6 + 5(3) = 21

Multiply 5 * 3
6 + 15 = 21

Combine like terms: 6 + 15 = 21
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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