0
Wiki User
20
Ryleigh Runolfsson ∙
16 = x - 4 (add four to both sides)
16 + 4 = x - 4 + 4 (add)
20 = x
It's not, 4x4=16.
264
28 is.
16
7
yes
Not necessarily.
h
30 times 4 equals 120
9 x 4 = 36
N = x4 x8 = x4+4 = (x4)2 = N2
if c = x2 then cx2 = x4