The answer is (1,1). If you need an explanation why I will be happy to help :)
Rate of change is 4. change of y over change of x= 20/5
Answer:7x+3=59
59-3
7x=56
Then you divide them both by 7
7x/7=56/7
Then you get your answer
X=?
I'll let you do the last part tho
Step-by-step explanation: