Question

(5y - 1) + (-2y + 4)

Answer 1

(5y - 1) + (-2y + 4)

5y -5 -2y +4 =

3y -1

Answer 2

5y-1 + -2y+4

combine like terms

5y-2y = 3y

-1+4=3

so you have 3y+3