Find the value of a if the graph of the equation 2x - ay = 7 passes through the point (8,-3)
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Since 2x-ay=7 passes through the point (8,-3), the point must satisfy the equation.
∴, 2×8-a×(-3)=7
or, 16+3a=7
or, 3a=7-16
or, 3a=-9
or, a=-3
∴, 2×8-a×(-3)=7
or, 16+3a=7
or, 3a=7-16
or, 3a=-9
or, a=-3
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hlw mate,
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