There are 12 white ribbons, 15 red ribbons, and 11 blue ribbons.
38=(w-1)+(w+3)+w
combine like terms
38=2+3w
subtract 2 from both sides
36=3w
divide 3 on both sides
12=w
w-1=b
12-1=b
11=b
w+3=r
12+3=r
15=r
Check Your Work
w+r+b=38
15+11+12=38
38=38
Examples of metals: copper, iron, tin,
Examples of nonmetals: hydrogen, helium, nitrogen,
The answer would be (-1,-4) because -1 is the z factor and -4 is the why then solve to make them equal the same thing.
