3. Combine like terms, then evaluate for x = 2 and y = 3. Remember to use the Order of Operations. Show your work for each problem.
(a) 6x+ 4(y – 1) – 2x + 8
(b) 3y + 5 – y + 4 + x
(c) 15 – 3x + 3y – 5 + 4y
(d) 2x + 5(2y +8)
x + y(y + 4)