3x+y=17 4x-y=18 how can you order a ladder?

3x + y = 17

4x - y = 18

Add both the equations together.

3x + 4x + y - y = 17 + 18

7x = 35

x = 5

Plug in x = 5 into any equation, and solve for y.

3 (5) + y = 17

15 + y = 17

y = 2

Your solution is (5,2).

How can you order a ladder?

Call the rung number