Question

Find an input that yields an output of 214. rule: y= -15x+79

Answer 1

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

Answer 2

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

Explanation:

x is the input, y is the output so:

214 = -15x + 79

214 - 79 = -15x

15x = -135

x = -9