Question

8x+3y=−9−8x+y=29 please help

Answer 1

The initial expression is

`8x+3y=-9-8x+y=29`

Then

`\begin{gathered} \Rightarrow8x+3y=-9-8x+y \\ \Rightarrow16x+2y=-9 \\ \text{and} \\ 8x+3y=29 \\ \Rightarrow8x=29-3y \end{gathered}`

Therefore,