Question

4. Solve each of the following equations by trial and error method:
(i) X-5=1
(ii) 2x + 1 =7
(iii) 3x = 18
C​

Answer 1

Answer:

Answers are in the pic.

Answer 2

Step-by-step explanation:

4.(i)

$x - 5 = 1$

$x = 1 + 5$

$x = 6$

(ii)

$2x + 1 = 7$

$2x = 7 - 1$

$2x = 6$

$x = 3$

(iii)

$3x = 18$

$x = \frac{18}{3}$

$x = 6$