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lutik1710 [3]
3 years ago
10

8 x 4 = ( y x 7 ) - ( y x 3 ) What is y?

Mathematics
1 answer:
ASHA 777 [7]3 years ago
4 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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