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saw5 [17]
3 years ago
12

5x+2y= 5 3х - у= 14 Solve

Mathematics
1 answer:
rjkz [21]3 years ago
4 0

Answer:

x = 3

y = -5

Step-by-step explanation:

5x+2y= 5    equation 1

3х - у = 14   equation 2

using equation 2 we have:

3x - 14 = y     equation 3

using equation 3 in equation 1 we have:

5x + 2(3x -14) = 5  

5x + 6x -28 = 5

11x = 5+28

11x = 33

x =33/11

x = 3

using equation 3 we have:

3(3) - 14 = y

y =9-14

y = -5

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