9 + 8 + 3x
you can only add like terms
9 and 8 are like terms so you can add those
but 3x does not have any like terms
so the answer is
17 + 3x
Answer:

Step-by-step explanation:
we know that



we have

step 1
Convert to liters

step 2
Convert to pints

step 3
Convert to gallons

Answer:
a=9+6
p=-30+20
z=15+(-12)
x=-10+(-7)
Step-by-step explanation:
Answer:
y = 1/9
Step-by-step explanation:
(-2, y) = (x, y)
y = 3^x
y = 3^(-2)
y = 1/9
Therefore y = 1/9