Advertisements
Advertisements
प्रश्न
Five less than 3 times a number is -20. Find the number.
Advertisements
उत्तर
Let the required number = x
3 times the number = 3x
5 less than 3 times the number = 3x – 5
According to statement :
3x – 5 = -20
⇒ 3x = -20 + 5
⇒ 3x = -15
⇒ x = -5
Required number = -5
APPEARS IN
संबंधित प्रश्न
Solve the following equation:
20 = 6 + 2x
Solve the following equation:
`(3"x")/("x" + 6) - "x"/("x" + 5) = 2`
Solve the following equation:
`("x" - 1)/("7x" - 14) = ("x" - 3)/("7x" - 26)`
If Megha’s age is increased by three times her age, the result is 60 years. Find her age
28 is 12 less than 4 times a number. Find the number.
The length of a rectangle is twice its width. If its perimeter is 54 cm; find its length.
Two consecutive natural numbers are such that one-fourth of the smaller exceeds one-fifth of the greater by 1. Find the numbers.
Solve: `(3"x" - 2)/3 + (2"x" + 3)/2 = "x" + 7/6`
Given that x ≥ y. Fill in the blank with suitable inequality sign
– xy `square` – y2
The cost of one pen is ₹ 8 and it is available in a sealed pack of 10 pens. If Swetha has only ₹ 500, how many packs of pens can she buy at the maximum?
