# Algebra

#### Question 3:

Identify the operations (addition, subtraction, division, multiplication) in forming the following expressions and tell how the expressions have been formed.

(a) *z *+ 1, *z* − 1, *y* + 17, *y* −
17 (b)

(c) 2*y* + 17, 2*y* − 17 (d) 7*m*, − 7*m*
+ 3, − 7*m* − 3

#### Answer:

(a) Addition
as 1 is added to *z*.

Subtraction as 1 is subtracted from *z*.

Addition as 17 is added to *y*.

Subtraction as 17 is subtracted from *y*.

(b) Multiplication
as *y* is multiplied with 17.

Division as ...

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