Question

Solve by trial and error method.

Answer 1

Putting the value of 1 to last till answer
Ans=6

Answer 2

=>22=x+16
put x=1
22=1+16
22=17,no....

=>now, put x=2
22=2+16
22=18,,no.....

=>now,put x=3
22=3+16
22=19,no......

=>now,put x=4
22=4+16
22=20,no......

=>now,put x=5
22=5+16
22=21,no.....

=>now,put x=6
22=6+16
22=22,yes .....

$therefore \:value \: of \: x = 6$
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