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alina1380 [7]
3 years ago
13

Plz help ty :)))))))))

Mathematics
1 answer:
Neporo4naja [7]3 years ago
3 0
3x - 3y = -12      ------------- (1)
7x + 2y = -19     --------------(2)

(1) x 2 : 6x - 6y = - 24       ----------- (1a)
(2) x 3 : 21x + 6y = -57     ----------- (2a)

(1a) + (2a) : 27x =  - 81
                        x = - 3

Sub x = -3 into (1) :  3(-3) - 3y = - 12 
                                               y = - 12  + 9
                                               y = - 3

Answer( -3, -3)


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