(X-2)-9=10

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


Simplifying
(X + -2) + -9 = 10

Reorder the terms:
(-2 + X) + -9 = 10

Remove parenthesis around (-2 + X)
-2 + X + -9 = 10

Reorder the terms:
-2 + -9 + X = 10

Combine like terms: -2 + -9 = -11
-11 + X = 10

Solving
-11 + X = 10

Solving for variable 'X'.

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

Add '11' to each side of the equation.
-11 + 11 + X = 10 + 11

Combine like terms: -11 + 11 = 0
0 + X = 10 + 11
X = 10 + 11

Combine like terms: 10 + 11 = 21
X = 21

Simplifying
X = 21

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