s = r+4
s+r = 22
now just solve for s and r
Suzanne is 4 years elder to her brother Robert. If sumit of their ages is 22 years, find how old is Suzanne and Robert are?
2 answers
Robert is X yrs. old.
Suzanne is x+4 yrs. old.
x + (x+4) - 22.
Suzanne is x+4 yrs. old.
x + (x+4) - 22.