a-2=1

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Solution for a-2=1 equation: 


Simplifying
a + -2 = 1

Reorder the terms:
-2 + a = 1

Solving
-2 + a = 1

Solving for variable 'a'.

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

Add '2' to each side of the equation.
-2 + 2 + a = 1 + 2

Combine like terms: -2 + 2 = 0
0 + a = 1 + 2
a = 1 + 2

Combine like terms: 1 + 2 = 3
a = 3

Simplifying
a = 3

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