Mastering Simple Equations

What is the solution to the equation x + 5 = 12?

• 7

• 10

• 5

• 12

Solve for x: 3x = 15.

• 10

• 3

• 5

• 7

If 2y - 4 = 10, what is the value of y?

• 10

• 7

• 5

• 3

Identify the variable in the equation 7 + z = 14.

• 14

• z

• 7

• x

Translate the phrase 'three times a number is 12' into an equation.

• 3x = 12

• 12 = 3 + x

• 3x + 12 = 0

• x + 3 = 12

Evaluate the equation 2x + 3 when x = 4.

• 11

• 14

• 10

• 7

What is the solution to the equation x - 9 = 3?

• 15

• 9

• 6

• 12

Solve for x: 5x + 2 = 17.

• 3

• 4

• 2

• 5

If 4a = 20, what is the value of a?

• 2

• 15

• 10

• 5

Identify the variable in the equation 10 = 2b + 6.

• 6

• 2

• b

• 10