Question

What is the solution set for the open sentence with the given replacement set? 4y + 2 = 18, {4, 5, 6, 7}

a. 4
b. 5
c. 6
d. 7

Answer 1

its 4 because im doing it my way like this look below for how i did it

Answer 2

+2 crosses the equal sign to become 4y=18-2,as 18-2=16 so you get 4y=16 and finally divide both sides by 4,as 4 goes into 16,4 times,therefore,y=4