Question

A) Solve the equation x+2=9 by trial and error method.
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Answer 1

Answer:

x= 7

Step-by-step explanation:

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Answer 2

Answer:

x+2 = 9 (x=7)

Step-by-step explanation:

Trial and error method:-

x = 1

= 1+2 = 9

= 3 ≠ 9

x = 2

= 2+2 = 9

= 4 ≠ 9

x = 3

= 3+2 = 9

= 5 ≠ 9

x = 4

= 4+2 = 9

= 6 ≠ 9

x = 5

= 5+2 ≠ 9

= 7 ≠ 9

x = 6

= 6+2 = 9

= 8 ≠ 9

x = 7

= 7+2 = 9

= 9 = 9

= L.H.S. = R.H.S.

Transpose method:-

= x+2 = 9

= x = 9-2

= x = 7