18=x-(-1)

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


Simplifying
18 = x + -1(-1)

Multiply -1 * -1
18 = x + 1

Reorder the terms:
18 = 1 + x

Solving
18 = 1 + x

Solving for variable 'x'.

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

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

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

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 = -17
-1x = -17

Divide each side by '-1'.
x = 17

Simplifying
x = 17

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