donnyman05 donnyman05

09-02-2020
Mathematics

contestada

-6x + 3y = 9
10x + 4y = -6

Respuesta :

spxoxoalien spxoxoalien

09-02-2020

Step-by-step explanation:

(-6x +3y=9 )×4

( 10x+4y)×3

-24x +12y =36

30x+12y= -18

-24x+12y- (30x+12y)= 36-(-18)

-54x = 54

x= -1

by using 10x +4y = -6

apply x= -1

-10+4y= -6

4y= -6 +10

4y=4

y=1

so the answer is x=-1 and y= 1

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