Question

Resolva os seguintes sistemas:
A) (×+5y=3
(2×+3y=13

B)(5×+3y=11
(6×-y=4

C) (3a+2b=4
(5a+7b=3

D) (3×-2y=1
(4×+5y=2

E) (8×-4y-2=1-y
(3×-2=2y+6×

F) ( ×+y=10
(3/12=×/y


me ajude por favor ​

Answer 1

Resposta:

A) (×+5y=3

(2×+3y=13

(x,y) =(8,-1)

B)(5×+3y=11

(6×-y=4

(x+y)= (1,2)

C) (3a+2b=4

(5a+7b=3

(a,B) = (2,-1)

D) (3×-2y=1

(4×+5y=2

(x,y)= (9/23, 2/23)

E) (8×-4y-2=1-y

(3×-2=2y+6×

(x,y)=(-2/3,47+2d/3)

Explicação passo-a-passo: