129-3x=15x+23

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Solution for 129-3x=15x+23 equation:


Simplifying
129 + -3x = 15x + 23

Reorder the terms:
129 + -3x = 23 + 15x

Solving
129 + -3x = 23 + 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.
129 + -3x + -15x = 23 + 15x + -15x

Combine like terms: -3x + -15x = -18x
129 + -18x = 23 + 15x + -15x

Combine like terms: 15x + -15x = 0
129 + -18x = 23 + 0
129 + -18x = 23

Add '-129' to each side of the equation.
129 + -129 + -18x = 23 + -129

Combine like terms: 129 + -129 = 0
0 + -18x = 23 + -129
-18x = 23 + -129

Combine like terms: 23 + -129 = -106
-18x = -106

Divide each side by '-18'.
x = 5.888888889

Simplifying
x = 5.888888889

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