Write the Word or Phrase That Best Completes Each Statement $\left( \frac { 3 } { 4 } , - \frac { 27 } { 28 } \right)$

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
-9x - 7y = 9
27x - 21y = 18

A) (3, 2)
B) (9, 18)
C) $\left( \frac { 3 } { 4 } , - \frac { 27 } { 28 } \right)$
D) $\text { Inconsistent, } \varnothing$