Mathematics, 15.01.2020 21:31, spearjj

Which of these strategies would eliminate a variable in the system of equations? \begin{cases} 8x + 5y = -7 -7x + 6y = -4 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ 8x+5y=−7 −7x+6y=−4 choose all answers that apply: choose all answers that apply:

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Which of these strategies would eliminate a variable in the system of equations? \begin{cases} 8x +...