Question 14
Which of the following equations can be formed starting with x = 0?
(a) 2x + 1 = -1
(b) x2+5=7
(c) 3x - 1 = - 1
(d) 3x - 1 = 1
We have, x = 0
On multiplying both the sides by 3, we get
3×x=3×0
⇒3x=0
On adding (-1) both the sides, we get
3x + (-1) = 0 + (-1)
⇒3x−1=−1