untitled

Front

What is the solution to the equation x + 12 = 20?

Back

x = 8

Front

Write the equation for the model: (white square=1, rectangle=x, red square=-1) if the total is 7.

Back

7 = x + (-3)

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What is the first step to solve the equation -3 = x + 5?

Back

Subtract 5 from both sides.

Front

What is the inverse operation of division?

Back

Multiplication.

Front

What is the solution to the equation 7 = x + 3?

Back

x = 4.

Front

What is the solution to the equation 5x = 25?

Back

x = 5.

Front

What is the first step to solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides.

Front

What is the solution to the equation x - 4 = 10?

Back

x = 14.

Front

What is the solution to the equation 3x = 12?

Back

x = 4.