-3=-5(4(12)+3)+21(12)

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Solution for -3=-5(4(12)+3)+21(12) equation: 


Simplifying
-3 = -5(4(12) + 3) + 21(12)

Multiply 4 * 12
-3 = -5(48 + 3) + 21(12)

Combine like terms: 48 + 3 = 51
-3 = -5(51) + 21(12)

Multiply -5 * 51
-3 = -255 + 21(12)

Multiply 21 * 12
-3 = -255 + 252

Combine like terms: -255 + 252 = -3
-3 = -3

Add '3' to each side of the equation.
-3 + 3 = -3 + 3

Combine like terms: -3 + 3 = 0
0 = -3 + 3

Combine like terms: -3 + 3 = 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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