Answer
x=55$^{\circ}$
m$\angle$2=70$^{\circ}$
Work Step by Step
Adjacent angles whose outer edges form a straight line are supplementary
m$\angle$2+m$\angle$3=180$^{\circ}$
x+15+2x=180$^{\circ}$
3x=165
x=55$^{\circ}$
m$\angle$2=x+15=65+15=70$^{\circ}$
