Question

Me urgeeeeeeeeeee es de . Sistema ecuaciones lineales con dos variables.

Answer 1

Explicación paso a paso:

2c+ 5d = 4 / 1

c - d = - 5 / - 2

2c + 5d = 4

-2c + 2d = 10

7d = 14

d = 14 / 7

d = 2

c - d = - 5

c - 2 = - 5

c = - 5 +2

c = - 3