X-9(10-x)=2x-18

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Solution for X-9(10-x)=2x-18 equation:


Simplifying
X + -9(10 + -1x) = 2x + -18
X + (10 * -9 + -1x * -9) = 2x + -18
X + (-90 + 9x) = 2x + -18

Reorder the terms:
-90 + X + 9x = 2x + -18

Reorder the terms:
-90 + X + 9x = -18 + 2x

Solving
-90 + X + 9x = -18 + 2x

Solving for variable 'X'.

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

Add '90' to each side of the equation.
-90 + X + 90 + 9x = -18 + 90 + 2x

Reorder the terms:
-90 + 90 + X + 9x = -18 + 90 + 2x

Combine like terms: -90 + 90 = 0
0 + X + 9x = -18 + 90 + 2x
X + 9x = -18 + 90 + 2x

Combine like terms: -18 + 90 = 72
X + 9x = 72 + 2x

Add '-9x' to each side of the equation.
X + 9x + -9x = 72 + 2x + -9x

Combine like terms: 9x + -9x = 0
X + 0 = 72 + 2x + -9x
X = 72 + 2x + -9x

Combine like terms: 2x + -9x = -7x
X = 72 + -7x

Simplifying
X = 72 + -7x

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