13x+9=4x+3(3x+3)

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Solution for 13x+9=4x+3(3x+3) equation: 


Simplifying
13x + 9 = 4x + 3(3x + 3)

Reorder the terms:
9 + 13x = 4x + 3(3x + 3)

Reorder the terms:
9 + 13x = 4x + 3(3 + 3x)
9 + 13x = 4x + (3 * 3 + 3x * 3)
9 + 13x = 4x + (9 + 9x)

Reorder the terms:
9 + 13x = 9 + 4x + 9x

Combine like terms: 4x + 9x = 13x
9 + 13x = 9 + 13x

Add '-9' to each side of the equation.
9 + -9 + 13x = 9 + -9 + 13x

Combine like terms: 9 + -9 = 0
0 + 13x = 9 + -9 + 13x
13x = 9 + -9 + 13x

Combine like terms: 9 + -9 = 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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