3-2a=16

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Solution for 3-2a=16 equation: 


Simplifying
3 + -2a = 16

Solving
3 + -2a = 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 + -2a = 16 + -3

Combine like terms: 3 + -3 = 0
0 + -2a = 16 + -3
-2a = 16 + -3

Combine like terms: 16 + -3 = 13
-2a = 13

Divide each side by '-2'.
a = -6.5

Simplifying
a = -6.5

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