10x+90=18x-72

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Solution for 10x+90=18x-72 equation:


Simplifying
10x + 90 = 18x + -72

Reorder the terms:
90 + 10x = 18x + -72

Reorder the terms:
90 + 10x = -72 + 18x

Solving
90 + 10x = -72 + 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
90 + 10x + -18x = -72 + 18x + -18x

Combine like terms: 10x + -18x = -8x
90 + -8x = -72 + 18x + -18x

Combine like terms: 18x + -18x = 0
90 + -8x = -72 + 0
90 + -8x = -72

Add '-90' to each side of the equation.
90 + -90 + -8x = -72 + -90

Combine like terms: 90 + -90 = 0
0 + -8x = -72 + -90
-8x = -72 + -90

Combine like terms: -72 + -90 = -162
-8x = -162

Divide each side by '-8'.
x = 20.25

Simplifying
x = 20.25

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