21x-11-15x=3(2x-5)+4

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Solution for 21x-11-15x=3(2x-5)+4 equation:


Simplifying
21x + -11 + -15x = 3(2x + -5) + 4

Reorder the terms:
-11 + 21x + -15x = 3(2x + -5) + 4

Combine like terms: 21x + -15x = 6x
-11 + 6x = 3(2x + -5) + 4

Reorder the terms:
-11 + 6x = 3(-5 + 2x) + 4
-11 + 6x = (-5 * 3 + 2x * 3) + 4
-11 + 6x = (-15 + 6x) + 4

Reorder the terms:
-11 + 6x = -15 + 4 + 6x

Combine like terms: -15 + 4 = -11
-11 + 6x = -11 + 6x

Add '11' to each side of the equation.
-11 + 11 + 6x = -11 + 11 + 6x

Combine like terms: -11 + 11 = 0
0 + 6x = -11 + 11 + 6x
6x = -11 + 11 + 6x

Combine like terms: -11 + 11 = 0
6x = 0 + 6x
6x = 6x

Add '-6x' to each side of the equation.
6x + -6x = 6x + -6x

Combine like terms: 6x + -6x = 0
0 = 6x + -6x

Combine like terms: 6x + -6x = 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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