If abcd is an isosceles trapezoid what is the value of x ac=7x-21 and bd=5x+13

7x - 21 = 5x + 13

2x = 34

x = 17

Hope this helps!

the answer is 17 :)

Step-by-step explanation:

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2