Q2 Practice Test (4th)

Front

What is the solution for x + 9 = 21?

Back

12

Front

Solve for b: 2b = -16

Back

-8

Front

What is the value of r in the equation 21 = 5 - r?

Back

-16

Front

Solve for n in the equation 3 + 9n = 21.

Back

2

Front

Solve for y: y - 7 = 10

Back

17

Front

What is the first step to solve the equation x + 5 = 12?

Back

Subtract 5 from both sides.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

If 3x = 12, what is the value of x?

Back

4