Advertisements
Advertisements
प्रश्न
Set up equation and solve them to find the unknown number in the following case:
When I subtracted 11 from twice a number, the result was 15.
Advertisements
उत्तर
Let the number be x.
Twice of this number = 2x
2x - 11 = 15
2x = 15 + 11 ...(Transposing -11 to R.H.S.)
2x = 26
Dividing both sides by 2
`(2x)/2 = 26/2`
x = 13
APPEARS IN
संबंधित प्रश्न
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. What is the lowest score?
Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score?
Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
The equation formed is ______.
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The equation formed is ______.
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The number of 1st prizes are ______ and the number of 2nd prizes are ______.
9 added to twice a number gives 13. Find the number.
Two complementary angles differ by 20°. Find the angles.
A man travelled two fifth of his journey by train, one-third by bus, one-fourth by car and the remaining 3 km on foot. What is the length of his total journey?
Thrice a number decreased by 5 exceeds twice the number by 1. Find the number.
