A-20=-3

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Solution for A-20=-3 equation: 


Simplifying
A + -20 = -3

Reorder the terms:
-20 + A = -3

Solving
-20 + A = -3

Solving for variable 'A'.

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

Add '20' to each side of the equation.
-20 + 20 + A = -3 + 20

Combine like terms: -20 + 20 = 0
0 + A = -3 + 20
A = -3 + 20

Combine like terms: -3 + 20 = 17
A = 17

Simplifying
A = 17

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