Answer:
34.
35. y = x +5
Answer: k=1,5 y=1,5x+5.
Step-by-step explanation:
(0;5) (2;8)
y=kx+b
35.
(0;5) y=kx+b
5=1,5*0+b
5=0+b
5=b
b=5,
So,
y=1,5x+5.
x=7
3x-9=12
add 9 to both sides
3x=21
divide both sides by 3