-4(3x-5)+1=-12x+21

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Solution for -4(3x-5)+1=-12x+21 equation:


Simplifying
-4(3x + -5) + 1 = -12x + 21

Reorder the terms:
-4(-5 + 3x) + 1 = -12x + 21
(-5 * -4 + 3x * -4) + 1 = -12x + 21
(20 + -12x) + 1 = -12x + 21

Reorder the terms:
20 + 1 + -12x = -12x + 21

Combine like terms: 20 + 1 = 21
21 + -12x = -12x + 21

Reorder the terms:
21 + -12x = 21 + -12x

Add '-21' to each side of the equation.
21 + -21 + -12x = 21 + -21 + -12x

Combine like terms: 21 + -21 = 0
0 + -12x = 21 + -21 + -12x
-12x = 21 + -21 + -12x

Combine like terms: 21 + -21 = 0
-12x = 0 + -12x
-12x = -12x

Add '12x' to each side of the equation.
-12x + 12x = -12x + 12x

Combine like terms: -12x + 12x = 0
0 = -12x + 12x

Combine like terms: -12x + 12x = 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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