Input 3y+11 for x
2(3y+11)-3y=16
6y+22-3y=16
3y= -6
Divide by 3 to isolate y
y=-2
Now for x....
x=3(-2)+11
=-6+11
=5
x=5
Coordinates (5,-2)
Answer:
Step-by-step explanation:
23 shelves on the book shelf
3 x 2.7 is the same as 3 x 3 x 0.9 = 9 x 0.9 = 8.1