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Solve the System A) {(−7,−9)}\{ ( - 7 , - 9 ) \}

Question 429

Multiple Choice

Solve the system.
9x+1y=−874x−1y=−1963\begin{array} { l } \frac { 9 } { x } + \frac { 1 } { y } = - \frac { 8 } { 7 } \\\frac { 4 } { x } - \frac { 1 } { y } = - \frac { 19 } { 63 }\end{array}


A) {(−7,−9) }\{ ( - 7 , - 9 ) \}
B) {(4,9) }\{ ( 4,9 ) \}
C) {(9,7) }\{ ( 9,7 ) \}
D) {(−9,−7) }\{ ( - 9 , - 7 ) \}

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