Finding the Unknown Class 7 Very Short Question Answer

Finding the Unknown Class 7 Very Short Question Answer

Finding the Unknown Class 7 Very Short Question Answer

Forming Equations

Question 1.

13 subtracted from twice of a number gives 3.

Solution:

2x - 13 = 3 

Question 2.

Six times a number is 10 more than the number.

Solution:

6x = 10 + x

Question 3.

Five times a number increased by 7 is 27.

Solution:

5x + 7 = 27

Question 4.

Mohan is 3 years older than Sohan. The sum of their ages is 43 years.

Solution:

x + (x + 3) = 43

Question 5.

A number divided by 2 and then increased by 5 is 9.

Solution:

[latex]\frac {x}{2}[/latex] + 5 = 9

Question 6.

The stun of twice a number and 4 is 18.

Solution:

2x + 4 = 18