2x-4+x-9=12x+23

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Solution for 2x-4+x-9=12x+23 equation:


Simplifying
2x + -4 + x + -9 = 12x + 23

Reorder the terms:
-4 + -9 + 2x + x = 12x + 23

Combine like terms: -4 + -9 = -13
-13 + 2x + x = 12x + 23

Combine like terms: 2x + x = 3x
-13 + 3x = 12x + 23

Reorder the terms:
-13 + 3x = 23 + 12x

Solving
-13 + 3x = 23 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-13 + 3x + -12x = 23 + 12x + -12x

Combine like terms: 3x + -12x = -9x
-13 + -9x = 23 + 12x + -12x

Combine like terms: 12x + -12x = 0
-13 + -9x = 23 + 0
-13 + -9x = 23

Add '13' to each side of the equation.
-13 + 13 + -9x = 23 + 13

Combine like terms: -13 + 13 = 0
0 + -9x = 23 + 13
-9x = 23 + 13

Combine like terms: 23 + 13 = 36
-9x = 36

Divide each side by '-9'.
x = -4

Simplifying
x = -4

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