Advertisements
Advertisements
प्रश्न
Solve the following equation: 2x – 3 = 7
Advertisements
उत्तर
2x - 3 = 7
⇒ 2x - 3 + 3 = 7 + 3 ...(Adding 3 to both sides)
⇒ 2x = 10
⇒ `"2x"/2 = 10/2` ....(Dividing by 2)
⇒ x = 2
∴ x = 5
संबंधित प्रश्न
A number is increased by 12 and the new number obtained is multiplied by 5. If the resulting number is 95, find the original number.
A whole number is increased by 7 and the new number so obtained is multiplied by 5; the result is 45. Find the whole number.
Solve the following equation: 2x + 3 = 7
Solve the following equation: 5x – 2.4 = 4.9
Solve the following equation: `"y"/3 + 7 = 2`
Solve the following equation: 7y -18 = 17
Solve the following equation: `"y"/1.8` - 2.1 = - 2.8
One-fourth of a number added to one-sixth of It is 15. Find the number.
A number is divided equally among 5 children, and each gets 6. The equation is:
If 6 is added to twice a number to get 22, the correct equation is:
