Use the Five-Step Strategy for Solving Word Problems to Find $\mathrm { y } _ { 1 } = 4 \mathrm { x } , \mathrm { y } _ { 2 } = ( 2 \mathrm { x } - 1 )$

Use the five-step strategy for solving word problems to find the number or numbers described in the following
exercise.
- $\mathrm { y } _ { 1 } = 4 \mathrm { x } , \mathrm { y } _ { 2 } = ( 2 \mathrm { x } - 1 )$ , and $\mathrm { y } _ { 1 }$ exceeds $\mathrm { y } _ { 2 }$ by 2 .

A) $\left\{ \frac { 1 } { 2 } \right\}$
B) $\left\{ \frac { 1 } { 6 } \right\}$
C) $\left\{ - \frac { 1 } { 2 } \right\}$
D) $\left\{ - \frac { 1 } { 6 } \right\}$