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Addition and Subtraction Expressions and Equations

In this topic we learn to write and find the value of expressions and equations.
Practice Question
1

Find the value of expression 7 - y for y = 3.

 
Possible Answers
Your Answer
Correct Answer
A)

3
B)

5
C)

4
D)

6
Practice Question
2

Find the value of expression a + 25 for a = 20.

 
Possible Answers
Your Answer
Correct Answer
A)

50
B)

55
C)

45
D)

40
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