lighting64 lighting64

28-10-2017
Mathematics

contestada

Which expression is equivalent?
11 − 9(−2x − 3)

A) 18x + 38
B) −4x + 6
C) 18x − 38
D) −4x − 6

Respuesta :

CheeseAndCracker CheeseAndCracker

28-10-2017

Ok the first step is to distribute the 9.
11-9(-2x-3)
^ ^ ^
11-(-18x-27)

Now we distribute the negative too
11-(-18x-27)
^ ^ ^
11+18x+27

Now we simplify the equation
18x+38

This leaves the answer to be A.

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