4y=-16-7x equation 1. substitute equation 1 in given equation. 7x(-16-7x)=-16. -112x-49x=-26
Answer:

Step-by-step explanation:
<u><em>Dividing the polynomial by 7x means dividing each term by 7x, as shown below:</em></u>

<em>In dividing, we also used the property of exponents, shown below:</em>

So the answer is: 
For all points that lie on the y-axis, the x-coordinate is zero.
Answer:
ffffff cccc fff
Step-by-step explanation: