marissarebeccaellen marissarebeccaellen

22-12-2020
Mathematics

contestada

Help!!
Find the solution of this system of equations
x- 10y = -59
-4x + 10y = 86

Respuesta :

zyuvely zyuvely

23-12-2020

Answer:

x - 10y = -59

(+)-4x + 10y = 86

-3x = 27

x = -9

substitute x into x - 10y = -59

-9 -10y = -59

-10y = -50

y = 5

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