Question

Do as directed.
1.
19 × (12 + 18) = (19 × 12) + (19 ×___ )​

Answer 1

Answer:

ur answer is 18

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Answer 2

Answer :–

• 19 × (12 + 18) = (19 × 12) + (19 × 18)

Given :–

• An equation 19 × (12 + 18) = (19 × 12) + (19 × __)

To Find :–

• The missing number.

Solution :–

First, we solve the L.H.S.

L.H.S. = 19 × (12 + 18)

⟹ 19 × 30

⟹ 570

Hence,

• L.H.S. = 570

ATQ,

⟹ 19 × (12 + 18) = (19 × 12) + (19 × __)

Let, the missing number be x.

⟹ 570 = (19 × 12) + (19 × x)

⟹ 570 = 228 + 19x

⟹ 570 – 228 = 19x

⟹ 342 = 19x

⟹ $\dfrac{342}{19}$ = x

⟹ 18 = x

Hence,

The missing number is 18.

Check :–

⟹ 19 × (12 + 18) = (19 × 12) + (19 × 18)

⟹ 19 × 30 = 228 + 342

⟹ 570 = 570

• L.H.S. = R.H.S.

So,

L.H.S. and R.H.S. are equal.

Hence,

The missing number 18 is correct.