Solve for x.
(20x - 15)
(19x)

x = 5

Step-by-step explanation:

The sum of two interior angles created by a transversal line is equal to 180°.

∴

(20x - 15)° + (19x)° = 180°

20x + 19x - 15 = 180

39x = 180 + 15 = 195

39x = 195

x = 195 ÷ 39 = 5

So x = 5.

Step-by-step explanation:

Constant of proportionality- A proportional relationship that can be represented by the equation y=kx

k=Constant of proportionality

Equations: k=y/x or y=Kx

divide your y over your x

example: 2.50/1= 2.50

5.00/2=2.5

7.50/3= 2.5

10.00/4= 2.5