Question

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

Answer 1

The correct answer is -54

Answer 2

-54

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