Solving by Substitution
x = 4y
2x + 3y = 22
What was my room number last year?
606
y = x - 2
3x - y = 16
What was the school football teams record last year?
4-1-1 (should be 5-1)
y = 3x - 1
7x + 2y = 37
What was the name of our previous school counselor?
Mrs. Kardinal
3s - 2t = 4
t = 2s - 1
What was Mr. Lopez's room number last year?
605
t + u = 12
t = (1/3)u
What size shoe am I?
11.5