X-18-x=x-(x-18)

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Solution for X-18-x=x-(x-18) equation:


Simplifying
X + -18 + -1x = x + -1(x + -18)

Reorder the terms:
-18 + X + -1x = x + -1(x + -18)

Reorder the terms:
-18 + X + -1x = x + -1(-18 + x)
-18 + X + -1x = x + (-18 * -1 + x * -1)
-18 + X + -1x = x + (18 + -1x)

Reorder the terms:
-18 + X + -1x = 18 + x + -1x

Combine like terms: x + -1x = 0
-18 + X + -1x = 18 + 0
-18 + X + -1x = 18

Solving
-18 + X + -1x = 18

Solving for variable 'X'.

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

Add '18' to each side of the equation.
-18 + X + 18 + -1x = 18 + 18

Reorder the terms:
-18 + 18 + X + -1x = 18 + 18

Combine like terms: -18 + 18 = 0
0 + X + -1x = 18 + 18
X + -1x = 18 + 18

Combine like terms: 18 + 18 = 36
X + -1x = 36

Add 'x' to each side of the equation.
X + -1x + x = 36 + x

Combine like terms: -1x + x = 0
X + 0 = 36 + x
X = 36 + x

Simplifying
X = 36 + x

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