9x-144=42+15x

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Solution for 9x-144=42+15x equation:


Simplifying
9x + -144 = 42 + 15x

Reorder the terms:
-144 + 9x = 42 + 15x

Solving
-144 + 9x = 42 + 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.
-144 + 9x + -15x = 42 + 15x + -15x

Combine like terms: 9x + -15x = -6x
-144 + -6x = 42 + 15x + -15x

Combine like terms: 15x + -15x = 0
-144 + -6x = 42 + 0
-144 + -6x = 42

Add '144' to each side of the equation.
-144 + 144 + -6x = 42 + 144

Combine like terms: -144 + 144 = 0
0 + -6x = 42 + 144
-6x = 42 + 144

Combine like terms: 42 + 144 = 186
-6x = 186

Divide each side by '-6'.
x = -31

Simplifying
x = -31

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