(7sin37°sin53°)/cos164°=
=(7sin37°sin(90°-37°))/cos(90°+74°)=
=(7sin37°cos37°)/-sin74°=
=(7sin37°cos37°)/-sin(2•37°)=
=(7sin37°cos37°)/(-2sin37°cos37°)=
=-7/2
-5(x+2)-4 = -59,
-5х-10-4 = -59,
-5х = -59+10+4,
-5х = -45,
х = 9