Which of these strategies would eliminate a variable in the system of equations?
\begin{cases} 8x + 5y = -7 -7x + 6y = -4 \end{cases}
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8x+5y=−7
−7x+6y=−4


Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
Multiply the top equation by 666, multiply the bottom equation by -5−5minus, 5, then add the equations.

(Choice B)
B
Multiply the top equation by 777, then add the equations.

(Choice C)
C
Multiply the bottom equation by 888, then add the equations.