Answer:
d<u>></u>-7
Step-by-step explanation:
Answer:20.571
Step-by-step explanation:
x:y = 21: 24=7:8
8x=7y
y=8x/7
When x=18
y=8*18/7
y=20.571
Answer:
the X variable
Step-by-step explanation:
it's the same as any other function
Minus 3y both sides
2y-6=-20
add 6 to both sids
2y=-14
divide 2
y=-7