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Bailey Terry
Mathematics
12 August, 06:19
Solve 7x + 5y = 14 using matrices.
4x + 3y = 9
+4
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Elsa Bowers
12 August, 06:29
0
28x+20y = 14*4 = 56
28x + 21y = 9*7 = 56
=> y=0, x = 2
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