Q3 of 41 Page 41

If x = - then find the value of

A. 2x + 5


B. x +


C. 5 – (-x)


D. ? = -(-x)


A. Put in 2x + 5.



The L.C.M of 1 and 4 is 4.




B. Put



C. Put





D. Let x = 5


Now –(-5) = 5


Hence x = -(-x)


More from this chapter

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2

Let’s verify if y=then –(-y)=y

 3

If x = - then find the value of

A. 2x + 5


B. x +


C. 5 – (-x)


D. ? = -(-x)


 4

let’s write the appropriate number in the following boxes:

A. ? = 0


B. ? + =0


C. × ? = 1


D. -5 × ? = 1


E. × ? = 1


F. =


4

let’s write the appropriate number in the following boxes:

A. ? = 0


B. ? + =0


C. × ? = 1


D. -5 × ? = 1


E. × ? = 1


F. =