savemylastbreath savemylastbreath

19-07-2019
Mathematics

contestada

if 8a + 7b + c = 9, what is -6c - 48a - 42b

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

19-07-2019

Answer:

-54

Step-by-step explanation:

8a + 7b + c = 9

We want -6c, but we have c in the equation so multiply by -6

-6(8a + 7b + c) = 9*-6

-48a -42b -6c = -54

Rearranging the equation

-6c - 48a - 42b = -54

Answer Link

sarahwaldrop120 sarahwaldrop120

19-07-2019

The correct answer is -54

Answer Link

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