Which equations would you use the subtraction property of equality to solve? Check all that apply.

Which equations would you use the subtraction property of equality to solve? 
Check all that apply.
in Other Math Topics by Level 10 User (57.4k points)

2. What is the solution to the equation?


mc006-1.jpg
by Level 10 User (57.4k points)

3. Juan told Sylvia he got a $0.50 raise this week and his new hourly rate will be $10.25 an hour. Sylvia wants to know what Juan’s hourly rate was before his raise. Which equation and solution can be used to solve this problem?

by Level 10 User (57.4k points)

4. Which equation models the problem and shows the correct solution?


The difference between x and 89 is 7. 
 
by Level 10 User (57.4k points)

5. What should be done to solve the equation?


mc001-1.jpg
 
by Level 10 User (57.4k points)

6. Which equation and solution can be used to solve this problem?


Twenty-two less than a number is twenty-four. 
     
 
by Level 10 User (57.4k points)

7. Helen wrote and solved the equation. 


mc021-1.jpg

What was Helen’s error?
 
by Level 10 User (57.4k points)

8. What is the solution to the equation?


mc008-1.jpg
 
by Level 1 User (640 points)

9. The difference in the height of the two rectangles is 7 feet.


es026-1.jpg

 

What is the value of y?


es026-2.jpg _____

by Level 1 User (640 points)

10. The sum of a number and twenty-one is sixty-four.


What is the value of the number?

The number equals _______.
 
by Level 1 User (640 points)

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2 Answers

  1. 2 5 6
  2. 3
  3. 2
  4. 2
  5. 4
  6. 4
  7. 2
  8. 4
  9. y-6.2=7; add 6.2 to each side: y=13.2
  10. x+21=64; subtract 21 from each side: x=43
by Top Rated User (1.2m points)

​IT'S 9000

by

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