x-10-9=-1

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Solution for x-10-9=-1 equation: 


Simplifying
x + -10 + -9 = -1

Reorder the terms:
-10 + -9 + x = -1

Combine like terms: -10 + -9 = -19
-19 + x = -1

Solving
-19 + x = -1

Solving for variable 'x'.

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

Add '19' to each side of the equation.
-19 + 19 + x = -1 + 19

Combine like terms: -19 + 19 = 0
0 + x = -1 + 19
x = -1 + 19

Combine like terms: -1 + 19 = 18
x = 18

Simplifying
x = 18

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