Question

What is the result of substituting for y in the bottom equation?

Answer 1

The answer is the option A, which is: A. x-7=x²+2x-4
 The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
 1. You have the following system equations given in the problem above:
 y=x-7
 y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
 x-7=x²+2x-4

Answer 2

Answer:

x-7=x²+2x-4

Step-by-step explanation: