Number 16- 216
number 17- 180
number 18- 252
An underestimate of 532 times 11 is 5852
I THINK this may be the answer not 100% sure tho!
1. Two forces equal and acting in opposite direction result in zero force.
2.Sum of two moment of forces acting in opposite sense produce zero resultant.
Any two equal and opposite vectors produce zero net effect
Answer:
subtract 2a + 3b - 3b =5 - 3b
simply 2a = 5 -3b
divide both sides by 2 . 2a over 2 = 5 over 2 - 3b over 2
simply a= 5- 3b over 2