a-16=4

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Solution for a-16=4 equation: 


Simplifying
a + -16 = 4

Reorder the terms:
-16 + a = 4

Solving
-16 + a = 4

Solving for variable 'a'.

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

Add '16' to each side of the equation.
-16 + 16 + a = 4 + 16

Combine like terms: -16 + 16 = 0
0 + a = 4 + 16
a = 4 + 16

Combine like terms: 4 + 16 = 20
a = 20

Simplifying
a = 20

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