Find the value of D for the simultaneous equation 3x + 4y = 8; x - 2y = 5.
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Step-by-step explanation:
3x + 4y = 8
x - 2y = 5
D = 3. 4. = 3× (-2) - 1×4= -6 -4 = -10
1. -2
D= -10
Hope it's help you
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