Y is 5 less -> y - 5
product of 4 and x -> 4x
y-5 = 4x
"y = 4x + 5"
30 times .4=12
30-12=18
The sales price would be $18
Plug the -4 into equation
f(-4) = 5(-4) -3
multiply 5•-4= -20
then subtract -20-3
when you have two negatives you add
= -23
Answer:
5x
Step-by-step explanation:
since opposite of negative is positive
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