Mastering One-Step Equations

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

• 7

• 10

• 5

• 12

If x - 3 = 7, what is the value of x?

• 12

• 5

• 8

• 10

Identify the variable in the equation 4 + y = 10.

• 4

• x

• y

• 10

Translate the word problem: 'A number decreased by 8 equals 15' into an equation.

• x - 15 = 8

• x + 8 = 15

• 8 - x = 15

• x - 8 = 15

Solve for x: x + 9 = 20.

• 10

• 25

• 11

• 15

What is the value of x in the equation x - 4 = 6?

• 8

• 12

• 2

• 10

Identify the variable in the equation 2 + z = 5.

• 2

• 5

• x

• z

Translate this word problem: 'Seven less than a number is 2' into an equation.

• x - 2 = 7

• 7 - x = 2

• x + 7 = 2

• x - 7 = 2

If x + 6 = 15, what is x?

• 9

• 10

• 7

• 12

Solve for y: y - 2 = 5.

• -1

• 10

• 3

• 7