English

If 1 is subtracted from a number and the difference is multiplied by 12, the result is 7. - Mathematics

Advertisements
Advertisements

Question

If 1 is subtracted from a number and the difference is multiplied by `1/2`, the result is 7.

Sum

Solution

Let the number be x

Then, 1 is subtracted from a number and the difference is multiplied by `1/2` i.e. `1/2(x - 1)`

It gives result 7

So, the equation formed is `1/2(x - 1)` = 7.

shaalaa.com
  Is there an error in this question or solution?
Chapter 4: Simple Equations - Exercise [Page 112]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 4 Simple Equations
Exercise | Q 65. | Page 112

Video TutorialsVIEW ALL [1]

RELATED QUESTIONS

Set up equation and solve them to find the unknown number in the following case:

Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she will get 8.


People of Sundargram planted trees in the village garden. Some of the trees were fruit trees. The number of non-fruit trees was two more than three times the number of fruit trees. What was the number of fruit trees planted if the number of non-fruit trees planted was 77?


The length of a rectangle is two times its breadth. Its perimeter is 60 cm.

The solution of the equation is ______.


In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then

There are ______ 5 rupee coins and ______ 2 rupee coins.


Six times a number is 10 more than the number.


The age of Sohan Lal is four times that of his son Amit. If the difference of their ages is 27 years, find the age of Amit.


In a family, the consumption of wheat is 4 times that of rice. The total consumption of the two cereals is 80 kg. Find the quantities of rice and wheat consumed in the family.


Anamika thought of a number. She multiplied it by 2, added 5 to the product and obtained 17 as the result. What is the number she had thought of?


Follow the directions and correct the given incorrect equation, written in Roman numerals:

Remove two of these matchsticks to make a valid equation:


The given figure represents a weighing balance. The weights of some objects in the balance are given. Find the weight of each square and the circle.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×