Question

if x:9, y=12, z=15 find the value of 12x + 8y – 2 z​

Answer 1

Step-by-step explanation:

12*(9)+8*(12)-2*(15)

108+96-30

204-30

174

Answer 2

Answer:

$12x + 8y - 2z \\ =12 \times 9 + 8 \times1 2 - 2 \times 15 \\ = 108 + 96 - 30 \\ = 174$