a + 3a + 5a = 180 9a =180 a = 20
3x + 2 = 82
100+80, 99+81, 98+82....
a + b + c = 180 b = 3a c = 5a Substituting the values of b and c into the first equation. a + 3a + 5a = 180 or 9a = 180 so that a = 20 then b = 3a = 3*20 = 60 and c = 5a = 5*20 = 100
82 + 82 = 164
811 + 82 = 893
To solve this one, subtract 50 from 180 and you'll have your answer.
It is: 126 plus 54 = 180
a + 3a + 5a = 180 9a =180 a = 20
157
It is: 97+83 = 180
It is: 157+23 = 180
It is 90+90 = 180
It is 134+46 = 180
180+72=252
87794 + 39357 + 180 + 439 = 127,770
180