Solve the Equation $y _ { 1 } = \frac { x + 6 } { 5 } , y _ { 2 } = \frac { x + 8 } { 7 }$

Multiple Choice

Solve the equation.
- $y _ { 1 } = \frac { x + 6 } { 5 } , y _ { 2 } = \frac { x + 8 } { 7 }$ , and $y _ { 1 } = y _ { 2 }$

A) $\{ - 1 \}$
B) $\{ 1 \}$
C) $\{ - 2 \}$
D) $\{ 2 \}$ Find all values of x such that y = 0.