Question

x-5y=3 -x+6y=1 metodo de igualacion

Answer 1

x=3+5y
x=-1-6y

igualando:
5+5y=-1-6y
11y=-6
y=-6/11

luego
x=3+5(-6/11)
x=3-30/11
x=33-30/11
x=3/11

Answer 2

3-x/-5 = 1+x/6
6 (3-x) = -5 (1+x)
18-6x = -5-5x
-6x+5x=-5-18
-x=-23
-1(-x=-23)
x=23

23-5y=3
-5y=3-23
-5y=-20
y=-20/-5
y=4
(23,4)