5x+18=15x-72

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Solution for 5x+18=15x-72 equation:


Simplifying
5x + 18 = 15x + -72

Reorder the terms:
18 + 5x = 15x + -72

Reorder the terms:
18 + 5x = -72 + 15x

Solving
18 + 5x = -72 + 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.
18 + 5x + -15x = -72 + 15x + -15x

Combine like terms: 5x + -15x = -10x
18 + -10x = -72 + 15x + -15x

Combine like terms: 15x + -15x = 0
18 + -10x = -72 + 0
18 + -10x = -72

Add '-18' to each side of the equation.
18 + -18 + -10x = -72 + -18

Combine like terms: 18 + -18 = 0
0 + -10x = -72 + -18
-10x = -72 + -18

Combine like terms: -72 + -18 = -90
-10x = -90

Divide each side by '-10'.
x = 9

Simplifying
x = 9

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