7times a number decreased by three =18 find the number
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Answered by
1
7times a no. =7n
7n-3=18
7n=18+3
7n=21
n=21÷7
n=3
7n-3=18
7n=18+3
7n=21
n=21÷7
n=3
Answered by
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..........
So ATQ(According To Question) :-
=> 7x-3 = 18
=> 7x = 18+3
=> 7x = 21
=> x = 21÷7
=> x = 3
HOPE THIS HELPS YOU..........
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