Question

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Solve the following linear equations.

plz its urgent.... ​

Answer 1

Answer:

5. multiply 7m + 8n = 52 with 9

and 9m - 11n = 3 with 7.

eq. 1... 63m + 72n = 468

eq. 2... 63m - 77n = 21

subtract eq. 2 from 1.

149n = 447

=> n = 3

substitute n in eq. 2

9m - 11×3 = 3

=> 9m - 33 = 3

=> 9m = 36

=> m = 4

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Answer 2

Answer:

hola better to see a example sum do it by your own ...