Math, asked by neerav2005malhotra, 7 months ago

9(2a -b) - 4(2a -b) - 13

Answers

Answered by sudeepnr625

6

Step-by-step explanation:

18a - 9b - (8a + 4b) (-13)

18a - 9b - (8a + 4b) (-13)18a - 9b + 104a - 52b

122a - 61b = 0

122a = 61b

a/b = 61/122

a/b = 1/2

a=1

b=2

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