Math, asked by powerboom, 3 months ago

Simplify & write the value of expression for “b = 4” :

21b – 32 + 7b – 20b

Answers

Answered by Thenavi

0

Answer:

0

Step-by-step explanation:

21b – 32 + 7b – 20b

21(4)-32+7(4)-20(4)

84-32+28-80

52+28-80

80-80=0

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