15x+9=3(4x+6)+3x-9

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Solution for 15x+9=3(4x+6)+3x-9 equation: 


Simplifying
15x + 9 = 3(4x + 6) + 3x + -9

Reorder the terms:
9 + 15x = 3(4x + 6) + 3x + -9

Reorder the terms:
9 + 15x = 3(6 + 4x) + 3x + -9
9 + 15x = (6 * 3 + 4x * 3) + 3x + -9
9 + 15x = (18 + 12x) + 3x + -9

Reorder the terms:
9 + 15x = 18 + -9 + 12x + 3x

Combine like terms: 18 + -9 = 9
9 + 15x = 9 + 12x + 3x

Combine like terms: 12x + 3x = 15x
9 + 15x = 9 + 15x

Add '-9' to each side of the equation.
9 + -9 + 15x = 9 + -9 + 15x

Combine like terms: 9 + -9 = 0
0 + 15x = 9 + -9 + 15x
15x = 9 + -9 + 15x

Combine like terms: 9 + -9 = 0
15x = 0 + 15x
15x = 15x

Add '-15x' to each side of the equation.
15x + -15x = 15x + -15x

Combine like terms: 15x + -15x = 0
0 = 15x + -15x

Combine like terms: 15x + -15x = 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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