7 - 15 x n
good luck XD XD
Answer:

Step-by-step explanation:

First, multiply both sides by -4. You must also change the inequality sign since you are multiplying both sides by a negative number.


Subtract 1 from both sides.


Answer:
B)x=23
y=20
Step-by-step explanation:
Step-by-step explanation:
f(x) = 1
f(-2) = 1
Constan function f(n) = k, n and k elemen real