Question

1. X + 2x = 9 linear equation
​

Answer 1

Answer:

• x = 9

Step-by-step explanation:

Given

• x + 2x = 9

To find

• x

Solution

• x + 2x = 9
• 3x = 9
• x = 9/3
• x = 3

Verification

• x + 2x = 9
• 3 + 2(3) = 9
• 3 + 6 = 9
• 9 = 9
• L.H.S = R.H.S

Answer 2

Answer:

x + 2x = 9

3x = 9

x = 9/3

x = 3

Step-by-step explanation: