Question

4. Solve the following equation by trial-and-error method:
2×-3=9​

Answer 1

Answer:

2x-3 = 9

2x = 9+3

2x = 12

x = 12÷2

x = 6

Answer 2

Step-by-step explanation:

$2 \times - 3 = 9 \\ - 6 = 9 \\ = 9 + 6 \\ = 15$