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Sedaia [141]
4 years ago
5

4X-5y=13 6x +2y =48 Elimination

Mathematics
1 answer:
dmitriy555 [2]4 years ago
8 0

Answer:

The answer to your question is: (7, 3)

Step-by-step explanation:

Equations

                               4x - 5y = 13      (I)         1.- Assign numbers to each equation

                               6x + 2y = 48    (II)

2.- Multiply (I) by 3 and (II) by -2

                               12x - 15y = 39      (I)'

                              -12x - 4y  = -96     (II)'

3.- Sum the equations

                             

                                0 - 19y = -57                      

4.- Find y

                                        y = -57/-19

                                        y = 3

5.- Find x

                              4x - 5(3) = 13                 Substitution

                              4x - 15 = 13                    Simplifying

                              4x = 13 + 15

                              4x = 28

                               x = 28/4

                              x = 7

Result

                            (7, 3)

                       

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