4Y - 8 = 20
add 8 to each side
4Y - 8 + 8 = 20 + 8
4Y = 28
divide each sides integers by 4
(4/4)Y = 28/4
Y = 7
---------------------check in original equation
4(7) - 8 = 20
28 - 8 = 20
20 = 20
checks by equality
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80 divided by 4 equals 20.
80 divided by four equals 20.
P = p + at 82 = 76 + a*20 6 = a*20 6/20 = a that is a = 3/10 or 0.3 That is the answer.