Teacher's Resources

13. Linear Equations in One Variable

Click the correct answer (True & False).

In a linear equation, the maximum power of a variable is one.

True

False

A linear equation in one variable can have many solutions.

True

False

While solving an equation, one should multiply one side and divide the other side by the same constant.

True

False

From a given solution, infinite number of equations can be constructed.

True

False

To balance an equation, perform the same operation on both sides.

True

False

From a given solution, only one equation can be constructed.

True

False

An equation remains the same if its LHS and RHS are interchanged.

True

False

Click the correct answer.

Which of the following is the solution of 3x + 7 = 13?

–1

Two supplementary angles are such that one is 60° less than the other. Which of the following is greater of the two angles?

60°

80°

100°

120°

Which of the following equations is true for x = –3?

2x + 8 = 2

2x + 8 = 3

2x + 7 = 2

5x = 14

Which of the following is a linear equation?

4x² + 3 = 0

4x + 5y²= 7

5x²+ 6 = 18

4x + 5y = 7

Which of the following is the solution of 6x – 9 = 15?

Which of the following statements represent 3p + 4 = 26?

Four added to three times p gives 26.

Three added to two times p gives 26.

Two added to five timesp gives 26.

Four added to three times 26 gives p.

Which of the following statements represent 2x – 5 = 20?

Twice of x diminished by 5 gives 20.

Thrice of x diminished by 5 gives 20.

Twice of x diminished by 20 gives 5.

Twice of x increased by 5 gives 20.

Click the correct answer.

If six times a number equals 72, then the number is .

The solution of the equation 5x – 12 = 3 is .

If $$\frac{y}{2}$$ = 3, then the value of $$y$$ is .

A linear equation in one variable has .

infinite number of solutions

only one solution