Question

(2) Decide whether x = 2 is a solution of x + 4x - 12 = 0​

Answer 1

Given

x = 2

Equation :

x + 4x -12 = 0

Solution :

2 + 4*2 - 12 = 0

2 + 16 - 12 = 0

18 - 12 = 0

6 ≠ 0

Answer :

No it is not solution of given linear Equation

Answer 2

Answer:

x + 4x - 12 = 0

5x - 12 = 0

5x = 12

x = 12÷ 5