Question

Solve by trial-and-error method. 17 - a= 14​

Answer 1

Answer:

let the a= X

$17 - x = 14 \\ - x = 14 - 17 \\ - x = - 3 \\ x = 3$

Answer 2

Answer:

17-a=14

17-1=16 (x)

17-2=15 (x)

17-3=14 (right)

Hence 17-3=14 is the answer .

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