Advertisements
Advertisements
Question
Solve the following equation: 2x – 3 = 7
Solution
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
APPEARS IN
RELATED QUESTIONS
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.
The difference between the ages of a woman and her son is 19 years and the sum of their ages is 37 years; find the age of the son.
Solve the following equation: 3y ÷ 8 = 13
Solve the following equation: `"x"/2 - 3 = 5`
Solve the following equation: 4x + 4.9 = 6.5
Solve the following equation: `"x"/1.2 - 6 = 1`
Solve the following equation: 7x - 2 = 4x + 7
Solve the following equation: `3 2/5 - "y" = 2 1/2`
Solve the following equation: 5y – 15 = 27 -2y
One-fourth of a number added to one-sixth of It is 15. Find the number.