Answer:
a =4
Step-by-step explanation:
20 - a =16
-a = 16 - 20
-a = -4
divide by negative 1 (-1)
a = 4
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Answer:
a =4
Step-by-step explanation:
20 - a =16
-a = 16 - 20
-a = -4
divide by negative 1 (-1)
a = 4