emmibpatterson emmibpatterson

23-08-2021
Mathematics

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Which expression is equivalent to -9a – 10 – 6a + 7?

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mhassan171082 mhassan171082

24-08-2021

Answer: a = - 1/5 or a = -0.2

Step-by-step explanation:

-9a – 10 – 6a + 7 = 0

>> -9a-6a = 10-7

>> -15a = 3

>> -15a/ - 15 =3 / - 15 ( divide by -15 both side)

>> a = - 1/5 or -0.2

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