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Liberty Stark
Mathematics
24 September, 07:52
8 x 4 = (y x 7) - (y x 3)
What is y?
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Marques Cantu
24 September, 08:10
0
8x4=32
32 = (yx7) - (yx3)
(yx7) = 7y
(yx3) = 3y
32=7y-3y
7y and 3y are like terms so you subtract them
=4y
32=4y
then divided 4y by 4 (to get y on its own) this cancels out if you : 4y on one side of the equation you have to divide on the other side to make it balanced 32:4=8
y=8
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