vt403421 vt403421

10-01-2020
Mathematics

contestada

−5y−10x=45
−3y+10x=−5
solve for x and y

Respuesta :

Race321 Race321

12-01-2020

Answer:

y= -5

x= -2

Step-by-step explanation:

-5y-10x=45

-3y+10x=-5

__________

-8y=40

y= -5

-3(-5)+10x=-5

15+10x=-5

10x=-20

x=-2

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