Answer:
27
Step-by-step explanation:
f(8) means plug 8 in for x
Answer: $29
Step-by-step explanation: 12+10+7= 29
Multiply the term in parentheses by its coefficient:



Combine like terms:

Add 20 to both sides:

Divide both sides by -8 to get n by itself:

The value of n is
1.
Answer:
y=3x-7
Step-by-step explanation
Subtracted 3x, then divided by -1, made the 7 negative and the 3x positive