Question

x -5y =-14,5. 2x +3y =10. por eliminación

Answer 1

x    - 5y = -14.5     (-2)
2x + 3y = 10
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-2x   +  10y = 29
 2x   +   3y  = 10
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            13y = 39
                y = 3

2x + 3(3) = 10
2x + 6 = 10
2x = 4
 x = 2