Question

Como se resuelve?
4x-y = -6
x+3y= 5

Answer 1

Respuesta:

**4x-y=-6

4x=-6+y

4x=y-6

4x/4=y-6/4

x=y-6/4

x=y/4-3/2

y=4x+6

**x+3y=5

3y=5-x

3y/3=5-x/3

y=5-x/3

x=5-3y