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Question

For solving each pair of equations, use the method of eliminations by equating coefficients:

3xy=23

x3+y4=4


Solution

3x-y=23

x3+y4=4

4x + 3y = 48

9x-3y=69
fraction numerator 4 x plus 3 y equals 48 over denominator 13 x equals 117 end fraction
x = 9

3 × (9) - y = 23

y = 27 - 23

y = 4


Mathematics
Concise Mathematics
Standard IX

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