Weekend Practice on Simple Equations

Solve: 3x + 5 = 20. What is the value of x?

• 3

• 5

• 10

• 15

If x - 7 = 10, then x is:

• 3

• 17

• 7

• 10

Solve: 2(x - 3) = 14

• 7

• 10

• 5

• 8

Which of the following is a linear equation?

• x² + 3 = 9

• x + 2 = 6

• x³ = 27

• 2x² = 8

Solve: 4x - 2 = 3x + 5

• 1

• 2

• 3

• 7

x + 3 = 8 has the solution x = 5.

• True

• False

In the equation 2x = 10, x = 5.

• True

• False

x - 4 = 12 means x is less than 12.

• True

• False

An equation always contains an equal sign.

• True

• False

If x + x = 10, then x = 5.

• True

• False