Is this the correct working out for y^2/5 - 2 = 18 (1 Viewer)

JupiterPie

New Member
Joined
Aug 21, 2019
Messages
18
Gender
Female
HSC
2006
Seems as two steps are missing. My solution is:
y^2/5 - 2 = 18
y^2/5 = 20
y^2 = 5*20
y^2 = 100
y = +- square root(100)
y = +-10
 

Users Who Are Viewing This Thread (Users: 0, Guests: 1)

Top