17+A=20

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Solution for 17+A=20 equation: 


Simplifying
17 + A = 20

Solving
17 + A = 20

Solving for variable 'A'.

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

Add '-17' to each side of the equation.
17 + -17 + A = 20 + -17

Combine like terms: 17 + -17 = 0
0 + A = 20 + -17
A = 20 + -17

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

Simplifying
A = 3

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