What fractions??? if you meant to attach an image its not coming thru
You could change the y intercept to something less than positive eight.
Answer:
area = 147.03 cm²
Step-by-step explanation:
area =16.9 x 8.7 = 147.03 cm²
Since both equations define y, they should be equivalent.
3x+7=x-9
2x+7=-9
2x=-16
x=-8
Plug x in
y=(-8)-9
y=-17
Final answer: (-8,-17)