Advertisements
Advertisements
Question
Solve the following equation: 2 (x - 3) – 3 (x - 4) =12
Advertisements
Solution
2 (x - 3) – 3 (x - 4) =12
⇒ 2x - 6 - 3x + 12 = 12
⇒ - x + 6 = 12
⇒ - x + 6 - 6 = 12 - 6 ...(Subtracting 6 from both sides)
⇒ - x = 6
⇒ x = - 6
RELATED QUESTIONS
Two-fifths of a number subtracted from three-fourths of it gives 56, find the number.
The difference between two numbers is 15. Taking the smaller number as x; find:
(i) the expression for the larger number.
(ii) the larger number, if the sum of these numbers is 71.
Solve the following equation: 3y ÷ 8 = 13
Solve the following equation: u + `3 1/4 = 4 1/3`
Solve the following equation: 5y + 4.9 = 2.4
Solve the following equation: `"x"/2 - 3 = 5`
Solve the following equation: `"x"/1.2 - 6 = 1`
Solve the following equation: 7x - 2 = 4x + 7
Solve the following equation: x - `2 1/3 = 5 1/2`
If a number x is decreased by 15 and the result is multiplied by 3 to get 81, which equation correctly represents this?
