maichengbher maichengbher

13-02-2020
Mathematics

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y = x + 3
8x - 7y = 12

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moraleskevin1416 moraleskevin1416

13-02-2020

8x-7(x+3)=12
8x-7x+21=12
-21 +21
15x=33
— —
15 15
X=2.2
Y=5.2

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