Topic 4 Formative 1 Review

Front

If 4x = 12, what does 12x = ?

Back

12x = 36

Front

From the first quiz to the second quiz, a score dropped 8 points. The score on the second quiz was 39. What was the first quiz score? Write an equation that could be used to solve this problem.

Back

x - 8 = 39

Front

In the equation x + 7 = 12, how should you show your work to isolate the variable and solve the equation?

Back

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

Front

El Rodeo School has 837 students. El Rodeo School has 78 more students than Hawthorne. How many students are there at Hawthorne School? Write an equation that could be used to solve this problem.

Back

x + 78 = 837

Front

What is the solution for x + 9 = 21?

Back

x = 12

Front

What is the process to isolate x in the equation x + 5 = 15?

Back

Subtract 5 from both sides. The solution is x = 10.

Front

If 3x = 21, what is the value of x?

Back

x = 7

Front

Write an equation to represent: A number decreased by 4 equals 10.

Back

x - 4 = 10

Front

What is the solution for 2x = 14?

Back

x = 7

Front

If a score increased by 5 points is 20, what was the original score?

Back

x + 5 = 20, x = 15