Question 22
The equation 4x = 16 is satisfied by the following value of x
(a) 4
(b) 2
(c) 12
(d) -12
Given equation 4x = 16 ...Eq.(i)
⇒ 4x4=164 [dividing both sides by 4]
⇒ x=4
Therefore, value of x is 4.
Question 17
Which of the following numbers satisfy the equation -6 + x = -12?
(a) 2 (b) 6 (c) -6 (d) -2