Secondary School (English Medium) (5 to 8) इयत्ता ७ - CBSE Question Bank Solutions

Solve the following equations.

`5/2 x = 25/4`

Solve the following equation.

`7m + 19/2 = 13`

Solve the following equations

6z + 10 = -2

Solve the following equations.

`(3l)/2 =  2/3`

Solve the following equations.

`(2b)/3 - 5 = 3`

Solve the following equations.

2 (x + 4) = 12

Solve the following equations.

3 (n − 5) = 21

Solve the following equations.

3 (n - 5) = -21

Solve the following equations.

-4 (2 + x) = 8

Solve the following equations.

4(2 - x) = 8

If m = 2, find the value of m − 2.

If m = 2, find the value of 3m − 5.

If m = 2, find the value of 9 - 5m.

If m = 2, find the value of 3m² − 2m − 7.

If m = 2, find the value of `(5m)/2 - 4`.

If p = −2, find the value of 4p + 7.

If p = -2, find the value of −3p² + 4p + 7.

If p = -2, find the value of -2p³ - 3p² + 4p + 7.

Find the value of the following expression, when x = −1:

2x - 7

Find the value of the following expression, when x = -1:

-x + 2