Question

3. Verify by substitution that:
(i) The root of 3x + 4 = 13 is 3.​

Answer 1

Answer:

Verified true.

Step-by-step explanation:

if root is 3 , i.e x = 3:

L.H.S= 3(3) + 4 = 9 + 4 = 13

13 = R.H.S

Proved true by substitution.