72-4x=9x+40

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Solution for 72-4x=9x+40 equation:


Simplifying
72 + -4x = 9x + 40

Reorder the terms:
72 + -4x = 40 + 9x

Solving
72 + -4x = 40 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
72 + -4x + -9x = 40 + 9x + -9x

Combine like terms: -4x + -9x = -13x
72 + -13x = 40 + 9x + -9x

Combine like terms: 9x + -9x = 0
72 + -13x = 40 + 0
72 + -13x = 40

Add '-72' to each side of the equation.
72 + -72 + -13x = 40 + -72

Combine like terms: 72 + -72 = 0
0 + -13x = 40 + -72
-13x = 40 + -72

Combine like terms: 40 + -72 = -32
-13x = -32

Divide each side by '-13'.
x = 2.461538462

Simplifying
x = 2.461538462

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