Solve the System of Equations Using the Addition Method: M $m = 0 , n = - 3 \frac { 1 } { 2 }$

Multiple Choice

Solve the system of equations using the addition method: m - 2n =7
5m - 10n = 35

A) inconsistent, no solution
B) $m = 0 , n = - 3 \frac { 1 } { 2 }$
C) $m = 7 , n = 0$
D) dependent, many solutions