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

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