A-18=-1

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Solution for A-18=-1 equation: 


Simplifying
A + -18 = -1

Reorder the terms:
-18 + A = -1

Solving
-18 + A = -1

Solving for variable 'A'.

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

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

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

Combine like terms: -1 + 18 = 17
A = 17

Simplifying
A = 17

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