Chapter 4 - Writing Linear Functions - 4.3 - Writing Equations of Parallel and Perpendicular Lines - Exercises - Page 191: 9

$y=2x+5$

Slopes are same for parallel lines. Slope is obtained by comparing $y=2x+2$ with $y=mx+b$. $m=2$ Given point is $(-1,3)$ $y-y_{1}=m(x-x_{1})$ $\implies y-3=2(x-(-1))$ $\implies y-3=2(x+1)$ $\implies y-3=2x+2$ $\implies y=2x+2+3$ $\implies y=2x+5$