Math, asked by sugatkatke, 8 months ago

Simplify combining like terms:

(i) 21b − 32 + 7b − 20b

(ii) − z

2 + 13z

2 − 5z + 7z

3 − 15z(iii) p − (p − q) − q − (q − p)

Answers

Answered by hamid123

1

Answer:

2

Step-by-step explanation:

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