A+20=45

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Solution for A+20=45 equation: 


Simplifying
A + 20 = 45

Reorder the terms:
20 + A = 45

Solving
20 + A = 45

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 = 45 + -20

Combine like terms: 20 + -20 = 0
0 + A = 45 + -20
A = 45 + -20

Combine like terms: 45 + -20 = 25
A = 25

Simplifying
A = 25

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