Mathematics
Mathematics, 17.01.2020 02:31, dprajapati832000

Find the sum of 12a + 7b, −6a − 9, and 14a − 12b.

a) 20a - 5b - 9
b) 20a + 5b - 9
c) 20a - 5b + 9
d) 20a + 5b + 9

answer
Answers: 2

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Do you know the correct answer?
Find the sum of 12a + 7b, −6a − 9, and 14a − 12b.

a) 20a - 5b - 9
b) 20a + 5b -...

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