solve the equation z-1/2 = 1/4z-7/8
I'm in developmental " introductory algebra" I need a lot of help.
z - 1/2 = 1/4 z - 7/8
z - 1/4 z = -7/8 + 1/2
3/4 z = -7/8 + 4/8
3/4 z = -3/8
z = (-3/8)(4/3)
z = -1/2
Check.
z - 1/2 = 1/4 z - 7/8
(-1/2) - 1/2 = 1/4 (-1/2) - 7/8
-1 = -1/8 - 7/8
-1 = -1
Answer: z = -1/2