Question

EXERCISE 4.3
1. If9 is subtracted from 7 times a number, the result is 47. Find the number, chapter 4th​

Answer 1

Answer:

GIVEN IF 9 IS SUBTRACTED FROM 7 TIMES A NUMBER GIVES 47.

LET THE NO BE X.

9 IS SUBTRACTED FROM 7 TIMES OF X=7X-9

ATQ,

$7x - 9 = 47 \\ \\ = > 7x = 47 + 9 = 56 \\ \\ = > x = \frac{56}{7} = 8$

HENCE,THE NUMBER IS 8.