4x+72=9x+102

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Solution for 4x+72=9x+102 equation:


Simplifying
4x + 72 = 9x + 102

Reorder the terms:
72 + 4x = 9x + 102

Reorder the terms:
72 + 4x = 102 + 9x

Solving
72 + 4x = 102 + 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 = 102 + 9x + -9x

Combine like terms: 4x + -9x = -5x
72 + -5x = 102 + 9x + -9x

Combine like terms: 9x + -9x = 0
72 + -5x = 102 + 0
72 + -5x = 102

Add '-72' to each side of the equation.
72 + -72 + -5x = 102 + -72

Combine like terms: 72 + -72 = 0
0 + -5x = 102 + -72
-5x = 102 + -72

Combine like terms: 102 + -72 = 30
-5x = 30

Divide each side by '-5'.
x = -6

Simplifying
x = -6

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