3x+5=17 what's the answer 3x+14==11

3x + 5 = 17    subtract 5 from both sides

3x = 12    divide both sides by 3

x = 4

3x + 14 = 11       subtract 14 from both sides

3x = -3    divide both sides by 3

x = -1

Find the resultant of two forces, one of 72 pounds and the other of 56 pounds, if they act at a point at an angle of 37

Figures are attached below

To find resultant force we use consine formula ( given two sides and one angle)

b = 72, c= 56 , angle is 37 . angle a= 180 - 37 = 143

a = 121.49

Resultanat force = 121 pounds