a-3=16

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Solution for a-3=16 equation: 


Simplifying
a + -3 = 16

Reorder the terms:
-3 + a = 16

Solving
-3 + a = 16

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 = 16 + 3

Combine like terms: -3 + 3 = 0
0 + a = 16 + 3
a = 16 + 3

Combine like terms: 16 + 3 = 19
a = 19

Simplifying
a = 19

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