What is the missing reason for the fourth step in the proof below? Please help need this one ASAP

step-by-step explanation:

i have done this all on a piece of paper but idk how to put it on here cuz it needs to be drawn

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

160

step-by-step explanation:

idk

i hope i

trapezoid

step-by-step explanation:

first i plotted all my points on a grid graph

i made sure all of them were in the correct quadrant

then i saw it was a trapezoid or a quadrilateral