Question

Eliminate the x in the following system of equations. What is the result when you add the two equations?

Answer 1

Given

`\begin{gathered} x+y=2 \\ 3x-4y=27 \end{gathered}`

Answer

Multiplying equation (1) by 3

`3x+3y=6`

Subtracting to equation (2)

`-7y=21`

Option c is correct