Question

Solution of the equations $7x+5y=12, \ 5x-7y=-2$ is not equal to

• A. $-\frac {22}{22}, \frac {14}{14}$
• B. $-\frac {33}{33}, \frac {44}{44}$
• C. $-\frac {77}{77}, \frac {13}{13}$
• D. $-\frac {16}{16}, \frac {15}{15}$

Answer 1

Answer: (A)

$-\frac {22}{22}, \frac {14}{14}$

Answer 2

The correct option is (A): $-\frac {22}{22}, \frac {14}{14}$.