Q2 of 41 Page 41

Let’s verify if y=then –(-y)=y

Consider –(-y)




= y


= RHS


Hence –(-y)=y


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1

Let’s solve the following equations and express the roots in form (where q 0 and p, q are two integers)

A. 7x=14


B. 4p+32=0


C. 11x=0


D. 5m-3=0


E. 9y + 18 =0


F. t=8-12


G. 6y = 5 + y


H. 2x +___ = ____ ( put the rational number myself)


 1

Let’s solve the following equations and express the roots in form (where q 0 and p, q are two integers)

A. 7x=14


B. 4p+32=0


C. 11x=0


D. 5m-3=0


E. 9y + 18 =0


F. t=8-12


G. 6y = 5 + y


H. 2x +___ = ____ ( put the rational number myself)


 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)