4x+5x-15=12x+3x+3

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Solution for 4x+5x-15=12x+3x+3 equation:


Simplifying
4x + 5x + -15 = 12x + 3x + 3

Reorder the terms:
-15 + 4x + 5x = 12x + 3x + 3

Combine like terms: 4x + 5x = 9x
-15 + 9x = 12x + 3x + 3

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

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

Solving
-15 + 9x = 3 + 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
-15 + 9x + -15x = 3 + 15x + -15x

Combine like terms: 9x + -15x = -6x
-15 + -6x = 3 + 15x + -15x

Combine like terms: 15x + -15x = 0
-15 + -6x = 3 + 0
-15 + -6x = 3

Add '15' to each side of the equation.
-15 + 15 + -6x = 3 + 15

Combine like terms: -15 + 15 = 0
0 + -6x = 3 + 15
-6x = 3 + 15

Combine like terms: 3 + 15 = 18
-6x = 18

Divide each side by '-6'.
x = -3

Simplifying
x = -3

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