a-45=20

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Solution for a-45=20 equation: 


Simplifying
a + -45 = 20

Reorder the terms:
-45 + a = 20

Solving
-45 + a = 20

Solving for variable 'a'.

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

Add '45' to each side of the equation.
-45 + 45 + a = 20 + 45

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

Combine like terms: 20 + 45 = 65
a = 65

Simplifying
a = 65

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