Question

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Answer 1

Explicación paso a paso:

1)

3x + 2y = 7

4x - 3y = - 2

(3)3x + 2y(3) =7(3)

(2)4x - (2)3y = - 2(2)

9x + 6y = 21

8x - 6y = - 4

9x + 8x= 21 - 4

17x= 17

X= 1

3(1) + 2y = 7

2y = 7 - 3

2y= 4

Y= 4/2

Y=2

2)

(2)6x - (2)5y= - 9(2)

(-3)4x +(-3) 3y = 13(-3)

12x - 10y = - 18

-12x - 9y = - 39

-10y - 9y= - 18 - 39

-19y= -57

Y= - 57/-19

Y= 3

6x - 5(3) = - 9

6x = - 9 + 15

6x = 6

X= 6/6

X=1