Question

Metodo de reduccion
X+3y=2
2x-3y=16

Answer 1

1) x + 3y = 2       (3)
2) 2x - 3y = 16    (3)

3x + 9y = 6
6x - 9y = 48
------------------
9x + 0y = 54

9x = 54

x = 54/9

x = 6

Reemplazo x en 1.

x + 3y = 2

6 + 3y = 2

3y = 2 - 6

3y = - 4

y = -4/3

Solución : 

x = 6
y = - 4/3