Question

5. 27 x 9 = 27 x 10 - 27x----.

Answer 1

27 × 9 = 27 × 10 - 27(x)

=> 27 × (10 - 1) = (27 × 10) - (27 × x)


=> (27 × 10) - (27 × 1) = (27 × 10) - (27 × x)


Comparing values, we get


(27 × 1) = (27 × x)

1 = x

Answer 2

$47.43 = 270 - 27x \\ 27x = 270 - 47.43 \\ x = \frac{222.57}{27} \\ x = 8.2434$