find a number such that when 25 is subtracted from 8 times the number the result is 10 more than thrice the number
Answers
Answered by
1
Answer:
the number is 7. please follow me
Answered by
1
- 25 is subtracted from 8 times a number is equal to 10 more than thrice the number .
______________________
- Original number = ??
______________________
- let the original no. be x
⠀⠀⠀⠀
- 25 is subtracted from 8 times of a number
⠀⠀⠀⠀
= 8x - 25
⠀⠀⠀⠀
- 10 more than thrice the number
⠀⠀⠀⠀
= 3x + 10
⠀⠀⠀⠀
ATQ:-
⠀⠀⠀⠀
8x - 25 = 3x + 10
⠀⠀
8x - 3x = 25 + 10
⠀⠀⠀⠀
5x = 35
⠀⠀⠀⠀
x = 7
______________________
- Required number = 7
⠀⠀⠀⠀
⠀⠀⠀⠀
- Putting the number in the eq
⠀⠀⠀⠀
8x - 25 = 3x + 10
⠀⠀⠀⠀
8×7 - 25 = 3 × 7 + 10
⠀⠀⠀⠀
56 - 25 = 21 + 10
⠀⠀⠀⠀
31 = 31
⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀......Hence Verified
⠀⠀⠀⠀
Similar questions