6
7
5
b
8/
Line a is parallel to line b, m 6-85, and m3=2x. Find mZ1.

(-1,-0.5)

step-by-step explanation:

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:

10

step-by-step explanation: