13x-21=3(2x-9)+7x+6

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Solution for 13x-21=3(2x-9)+7x+6 equation:


Simplifying
13x + -21 = 3(2x + -9) + 7x + 6

Reorder the terms:
-21 + 13x = 3(2x + -9) + 7x + 6

Reorder the terms:
-21 + 13x = 3(-9 + 2x) + 7x + 6
-21 + 13x = (-9 * 3 + 2x * 3) + 7x + 6
-21 + 13x = (-27 + 6x) + 7x + 6

Reorder the terms:
-21 + 13x = -27 + 6 + 6x + 7x

Combine like terms: -27 + 6 = -21
-21 + 13x = -21 + 6x + 7x

Combine like terms: 6x + 7x = 13x
-21 + 13x = -21 + 13x

Add '21' to each side of the equation.
-21 + 21 + 13x = -21 + 21 + 13x

Combine like terms: -21 + 21 = 0
0 + 13x = -21 + 21 + 13x
13x = -21 + 21 + 13x

Combine like terms: -21 + 21 = 0
13x = 0 + 13x
13x = 13x

Add '-13x' to each side of the equation.
13x + -13x = 13x + -13x

Combine like terms: 13x + -13x = 0
0 = 13x + -13x

Combine like terms: 13x + -13x = 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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