Secondary School (English Medium) (5 to 8) Class 7 - CBSE Question Bank Solutions

The solution of the equation 3x + 7 = –20 is ______.

If k + 7 = 16, then the value of 8k – 72 is ______.

If 43 m = 0.086, then the value of m is ______.

The equation having 5 as a solution is ______.

The equation having – 3 as a solution is ______.

Which of the following equations can be formed starting with x = 0?

Which of the following equations cannot be formed using the equation x = 7?

Shifting one term from one side of an equation to another side with a change of sign is known as ______.

The sum of two numbers is 60 and their difference is 30.

The solution of the equation is ______.

Sum of two numbers is 81. One is twice the other.

1. If smaller number is x, the other number is ______.
2. The equation formed is ______.
3. The solution of the equation is ______.
4. The numbers are ______ and ______.

Sum of two numbers is 81. One is twice the other.

The solution of the equation is ______.

If z + 3 = 5, then z = ______.

______ is the solution of the equation 3x – 2 = 7.

______ is the solution of 3x + 10 = 7.

If 2x + 3 = 5, then value of 3x + 2 is ______.

In integers, 4x – 1 = 8 has ______ solution.

In natural numbers, 4x + 5 = –7 has ______ solution.

In natural numbers, x – 5 = –5 has ______ solution.

In whole numbers, x + 8 = 12 – 4 has ______ solution.

x + 7 = 10 has the solution ______.