Advertisements
Advertisements
Question
If 1 is subtracted from a number and the difference is multiplied by `1/2`, the result is 7.
Advertisements
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`.
APPEARS IN
RELATED QUESTIONS
Set up equation and solve them to find the unknown number in the following case:
Add 4 to eight times a number; you get 60.
Set up equation and solve them to find the unknown number in the following case:
One-fifth of a number minus 4 gives 3.
Set up equation and solve them to find the unknown number in the following case:
If I take three-fourths of a number and add 3 to it, I get 21.
In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°).
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
The solution of the equation is ______.
If 10 is subtracted from half of a number, the result is 4.
My younger sister's age today is 3 times, what it will be 3 years from now minus 3 times what her age was 3 years ago. Find her present age.
150 has been divided into two parts such that twice the first part is equal to the second part. Find the parts.
In a certain examination, a total of 3768 students secured first division in the years 2006 and 2007. The number of first division in 2007 exceeded those in 2006 by 34. How many students got first division in 2006?
Follow the directions and correct the given incorrect equation, written in Roman numerals:
Remove two of these matchsticks to make a valid equation:
