Question

resolva os sistemas

a)
{2x + y = 5
{x - y = 4

b)
{3x + 5y = -6
{x - 2y = -2

c)
{3x + 2y = -4
{4x - 3y = 23

d)
{2x - y = 7
{x + 3y = -7

e)
{x = 3y - 1
{2x + y = 12

f)
{2x + 3y = 0
{6x - 4y = 13

g)
{x + 5y = 1
{3x - y = -13

h)
{1/2 - y = -24
{2x - y/3 = 14

​

Answer 1

Resposta:

a) (x,y) = (3,-1)

b) (x,y) = (-2,0)

c) (x,y) = (2,-5)

d) (x,y) = (2,-3)

e) (x,y) = (5,2)

f) (x,y) = (3/2,-1)

g)(x,y) = (-4,1)

h) (x,y) = (37/12, -47/2

se estiver errado me desculpa