Solve : a-2 = 16 by trial and error method
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Answer:
a = 18
Step-by-step explanation:
a - 2 =16
Putting a = 0
a - 2 =16
0 - 2 = 16
-2 = 16
∴ a = 0 is not a solution.
Putting a = 1
a - 2 = 16
1 - 2 = 16
-1 = 16
∴ a = 1 is not a solution.
Putting a = 2
a - 2 =16
2 - 2 = 16
0 = 16
∴ a = 2 is not a true solution.
Likewise..
Putting a = 17
a - 2 = 16
17 -2 = 16
15 = 16
∴ a = 17 is not a solution.
Putting a = 18
a - 2 = 16
18 - 2 = 16
16 = 16
∴ a = 18 is a solution.
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