Topic 4 Formative 1 Review

Front

In the equation x + 7 = 12, how do you isolate the variable x?

Back

Subtract 7 from both sides. The solution is x = 5.

Front

What is the solution to the equation x - 8 = -5?

Back

x = 3.

Front

Solve the equation 3x = 27. What is x?

Back

x = 9.

Front

A Lamborghini Murciélago has a top speed of 205 miles per hour. This is 7 miles per hour faster than the Ferrari F430. Write an equation to find the top speed of the Ferrari.

Back

x + 7 = 205.

Front

Which equation has w = 8 as the solution?

Back

8w = 64.

Front

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

Back

Subtract 5 from both sides.

Front

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

Back

x = 5.

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4.

Front

How do you solve the equation x - 4 = 10?

Back

Add 4 to both sides. The solution is x = 14.

Front

What is the solution to the equation 5x = 45?

Back

x = 9.