Question

Solve 9c+2=20 by trail error method

Answer 1

Answer:

9c+2=20

9c=20-2

9c=18

c=18/9

c=2.

verification :-

9c+2 = 20

L.H.S. R.H.S

L.H.S. R.H.S

9c+2. 20

9×2+2. 20

18+2. 20

20. 20

THEREFORE L.H.S. = R.H.S VERIFIED

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Answer 2

$\huge\sf\green{Solution:-}$

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Given,

9c+2 = 20.

So,

→ 9c = 20 -2.

= 18.

→ c = 18/9.

= 2.

Hence, solution: 9×2+2 = 20.

L.H.S = R.H.S

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Hope it helps you dear!