(18-x)=-1

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Solution for (18-x)=-1 equation:


Simplifying
(18 + -1x) = -1

Remove parenthesis around (18 + -1x)
18 + -1x = -1

Solving
18 + -1x = -1

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 + -18 + -1x = -1 + -18

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

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

Divide each side by '-1'.
x = 19

Simplifying
x = 19

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