A-13=-12

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Solution for A-13=-12 equation: 


Simplifying
A + -13 = -12

Reorder the terms:
-13 + A = -12

Solving
-13 + A = -12

Solving for variable 'A'.

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

Add '13' to each side of the equation.
-13 + 13 + A = -12 + 13

Combine like terms: -13 + 13 = 0
0 + A = -12 + 13
A = -12 + 13

Combine like terms: -12 + 13 = 1
A = 1

Simplifying
A = 1

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