144-5x=4x+9

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Solution for 144-5x=4x+9 equation:


Simplifying
144 + -5x = 4x + 9

Reorder the terms:
144 + -5x = 9 + 4x

Solving
144 + -5x = 9 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
144 + -5x + -4x = 9 + 4x + -4x

Combine like terms: -5x + -4x = -9x
144 + -9x = 9 + 4x + -4x

Combine like terms: 4x + -4x = 0
144 + -9x = 9 + 0
144 + -9x = 9

Add '-144' to each side of the equation.
144 + -144 + -9x = 9 + -144

Combine like terms: 144 + -144 = 0
0 + -9x = 9 + -144
-9x = 9 + -144

Combine like terms: 9 + -144 = -135
-9x = -135

Divide each side by '-9'.
x = 15

Simplifying
x = 15

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