There are thirty-five red, yellow, orange, and white marbles in a bag. If half the number of red marbles equals two less than the number of yellow marbles, equals a third the number of orange marbles, and equals two more than the number of white marbles, how many red marbles are there?
+37146 1/2 r = y-2 y= 1/2r +2
1/2 r = 1/3 o 0= 3/2 r
1/2 r = 2 + w w = 1/2 r -2
r r
Add right column 3.5 r equals all of the marbles = 35
r = 10
