Question

Please help me. It's due tonight.

Answer 1

X = -3

Y = -1

Z = 4

Explanation:

[6(2a - 4c) - 6(6a - 4b) + 3(4b - 8c)]/4

= [12a - 24c - 36a + 24b + 12b - 24c]/4

= [-24a + 36b - 48c]/4

= 4[-6a + 9b - 12c]/4

= -6a + 3b - 12c

= -3(2a - b + 4c)

so X = -3, Y = -1, Z = 4)