A+1=20

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Solution for A+1=20 equation: 


Simplifying
A + 1 = 20

Reorder the terms:
1 + A = 20

Solving
1 + A = 20

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 = 20 + -1

Combine like terms: 1 + -1 = 0
0 + A = 20 + -1
A = 20 + -1

Combine like terms: 20 + -1 = 19
A = 19

Simplifying
A = 19

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