Question

For each equation find y when x=-3Then find x when y=21. For y=6x+8; y=____ and x=____

Answer 1

the equation is y=6x+8.

When x=-3, we have

$\begin{gathered} y=6(-3)+8 \\ \text{hence,} \\ y=-18+8 \\ y=-10 \end{gathered}$

Therefore, when x=-3, y =-10