Question

A){-x+2y=4
{x+3y=1
B) {3x-y=11
{2x+y=4
C){3x+2y=2
{6x+6y=5
D){x+5y=1
{x+7y=3

Answer 1

a)x=-2
y=1

b)x=3
y=-2

c)x=1/3
y=3/2

D)x=-4
y=1