Respuesta :

unicorn3125

Answer:

          The input  have to be -9 to get output 214 with the rule y=-15x+79

Step-by-step explanation:

x is the input, y is the output so:

214 = -15x + 79

214 - 79 = -15x

15x = -135

 x = -9

almagueralyssa2
the answer is -9 i just learned this today and i worked it out