ezraja
ezraja ezraja
  • 18-01-2018
  • Mathematics
contestada

If a = 2b + 12, then -2a =


answer choices:
a.) -6 - b
b.) 24 - 4b
c.) -2b - 24
d.) 6 - b
e.) -4b - 24

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 02-01-2019

Answer:

e.) -4b -24

Step-by-step explanation:

Substitute the expression for "a" into the expression -2a. Make use of the distributive property to eliminate parentheses.

... -2a = -2(2b +12) = -4b -24

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