A-1+2=0

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Solution for A-1+2=0 equation: 


Simplifying
A + -1 + 2 = 0

Reorder the terms:
-1 + 2 + A = 0

Combine like terms: -1 + 2 = 1
1 + A = 0

Solving
1 + A = 0

Solving for variable 'A'.

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

Add '-1' to each side of the equation.
1 + -1 + A = 0 + -1

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

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

Simplifying
A = -1

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