a number exceeds its four seventh by 18 . find the number
Answers
Answered by
191
Let the no. Be x
Equation formed is
(4x/7)+18=x
4x/7=x-18
4x=7x-126
-3x=-126
X=42
Answered by
196
Let the number be x
four seventh of the no = 4/7 of x
= (4/7)×x
= 4x/7
According to the question
x = 4x/7 + 18
⇒ x - 4x/7 = 18
⇒ (7x - 4x)/7 = 18
⇒ 3x/7 = 18
⇒ 3x = 18×7
⇒ 3x = 126
⇒ x = 126/3
∴ x = 42
∴The no is 42
four seventh of the no = 4/7 of x
= (4/7)×x
= 4x/7
According to the question
x = 4x/7 + 18
⇒ x - 4x/7 = 18
⇒ (7x - 4x)/7 = 18
⇒ 3x/7 = 18
⇒ 3x = 18×7
⇒ 3x = 126
⇒ x = 126/3
∴ x = 42
∴The no is 42
yasummu:
plz mark as the brainliest
Similar questions