100-3a=16

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Solution for 100-3a=16 equation: 


Simplifying
100 + -3a = 16

Solving
100 + -3a = 16

Solving for variable 'a'.

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

Add '-100' to each side of the equation.
100 + -100 + -3a = 16 + -100

Combine like terms: 100 + -100 = 0
0 + -3a = 16 + -100
-3a = 16 + -100

Combine like terms: 16 + -100 = -84
-3a = -84

Divide each side by '-3'.
a = 28

Simplifying
a = 28

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