Which of these strategies would eliminate a variable in the system of equations? {2x+8y=β33x+6y=β4\begin{cases} 2x + 8y = -3 \\\\ 3x + 6y = -4 \end{cases}β©βͺβͺβ¨βͺβͺβ§β2x+8y=β33x+6y=β4β Choose all answers that apply: Choose all answers that apply: