Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

If 8x – 3 = 25 + 17x, then x is ______.

On subtracting 8 from x, the result is 2. The value of x is ______.

9 is subtracted from the product of p and 4, the result is 11. The value of p is ______.

If `2/5 x - 2 = 5 - 3/5 x`, then x = ______.

In the equation 3x – 3 = 9, transposing –3 to RHS, we get 3x = 9.

If `15/8 - 7x = 9`, then `-7x = 9 + 15/8`

If `x/3 + 1 = 7/15`, then `x/3 = 6/15`

If 6x = 18, then 18x = 54

Two numbers differ by 40, when each number is increased by 8, the bigger becomes thrice the lesser number. If one number is x, then the other number is (40 – x).

Solve the following:

`(2x - 3)/(4x + 5) = 1/3`

Solve the following:

`8/x = 5/(x - 1)`

Solve the following:

`(5(1 - x) + 3(1 + x))/(1 - 2x) = 8`

Solve the following:

`(0.2x + 5)/(3.5x - 3) = 2/5`

Solve the following:

`(y - (4 - 3y))/(2y - (3 + 4y)) = 1/5`

Solve the following:

`x/5 = (x - 1)/6`

Solve the following:

0.4(3x – 1) = 0.5x + 1

Solve the following:

8x – 7 – 3x = 6x – 2x – 3

Solve the following:

10x – 5 – 7x = 5x + 15 – 8

Solve the following:

4t – 3 – (3t + 1) = 5t – 4

Solve the following:

5(x – 1) – 2(x + 8) = 0