blue0783 blue0783

19-09-2022
Mathematics

contestada

5y + 7x = -1
-2y = -5x - 23
Elimination

Respuesta :

jujutsukaisen1007 jujutsukaisen1007

19-09-2022

Step-by-step explanation:

+25y + 35x = -1. × 5

+35x - 14y = -161. × 7

-. +. +

39y = 156

y=4

putting value of y in 5y + 7x =-1

5×4+7x =-1

7x = -21

x= -3

Answer Link

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