(a-3)=1

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Solution for (a-3)=1 equation: 


Simplifying
(a + -3) = 1

Reorder the terms:
(-3 + a) = 1

Remove parenthesis around (-3 + a)
-3 + a = 1

Solving
-3 + a = 1

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + a = 1 + 3

Combine like terms: -3 + 3 = 0
0 + a = 1 + 3
a = 1 + 3

Combine like terms: 1 + 3 = 4
a = 4

Simplifying
a = 4

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