chickennoodles15577 chickennoodles15577

26-02-2021
Mathematics

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Аноним Аноним

26-02-2021

7x-4y=-30—1
3x+4y=10—2
Adding equation 1 and 2,
4x=20
x=5
Putting x in equation 2,
4y=-5
y=-5/4

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