Linear Equation in One Variable

The solution of 2x – 3 = 7 is

• 2

• -2

• 5

• -5

Which of the following is not a linear equation

• 2x + 5 = 1

• x – 1 = 0

• y + 1 = 0

• 5x + 1 < 9

 $solve\frac{x}{3}+\frac{5}{2}=\frac{-3}{2}$  

• 12

• -12

• 15

• none of these

 $Solve:\ \frac{15}{4}\ -\ 7x\ =\ 9$  

•  $\frac{3}{4}$  

•  $-\frac{3}{4}$  

• 1

• none of these

Solve: 6x = 12

• 2

• -2

• 3

• none of these

 $Solve\ \frac{x}{5}=10$  

• -50

• 50

• 2

• -2

Solve: 5x – 7 = 2x + 8

• 5

• 9

• -5

• -9

The difference between two whole numbers is 66. The ratio of the two numbers is 2 : 5. What are the two numbers?

• 110, 44

• 120, 54

• 140, 74

• none of these

Solve: 5t – 3 = 3t – 5

• 1

• -1

• 2

• -2

Solve: 3x = 2x + 18

• 18

• -18

• 14

• none of these