Which of these strategies would eliminate a variable in the system of equations? {2x+8y=βˆ’33x+6y=βˆ’4\begin{cases} 2x + 8y = -3 \\\\ 3x + 6y = -4 \end{cases}⎩βŽͺβŽͺ⎨βŽͺβŽͺβŽ§β€‹2x+8y=βˆ’33x+6y=βˆ’4​ Choose all answers that apply: Choose all answers that apply: