Respuesta :

Equation: y = 2x + 4

72 = 2x + 4

68 = 2x

x = 34

Hope this helps! :)

Slope of the line: rise/run = 4/2 = 2

y-intercept = 4

Plug into y = mx+b

y = 2x + 4

Plug 72 for y

72 = 2x + 4

=34