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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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13y ago

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