English, asked by gouri1046, 1 year ago

7times a number decreased by three =18 find the number

Answers

Answered by tanya9658
1
7times a no. =7n
7n-3=18
7n=18+3
7n=21
n=21÷7
n=3

Answered by Aarunya
0
Let the number be = x
So ATQ(According To Question) :-
=> 7x-3 = 18
=> 7x = 18+3
=> 7x = 21
=> x = 21÷7
=> x = 3
HOPE THIS HELPS YOU..........
Similar questions