K=7r-s
Add s to both sides
k+s=7r
Divide both sides by 7
Final Answer: k/7+s/7=r
Answer:
Step-by-step explanation:
y=(x-4)^2-16
Answer:

Step-by-step explanation:
y = 3 - xy
Let x = 1
y = 3 - (1)y
Expand brackets.
y = 3 - y
Add y to both sides.
2y = 3
Divide both sides by 2.
y = 3/2
Use Photomath it will help