-21=3+-4*6

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Solution for -21=3+-4*6 equation: 


Simplifying
-21 = 3 + -4 * 6

Multiply -4 * 6
-21 = 3 + -24

Combine like terms: 3 + -24 = -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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