Question

Resolva os sistemas:
a)
(x + y = 15
Ix-y=3
e)
(x+2y = 4
(5x - 2y = 2
b)
(x + y = 16
(2x + y = 4
f)
2x = 1 + y
(4x - 3y = 1
c)
(3x + y = 10
(2x + y = 8
g)
x + y = 3
(3x + 2 = y + 3
{3
x + 3y = 5
d) {2x - y = -4
h) {x+y = -5
x - y = 13
x + y =​

Answer 1

Resposta:

22×yt

***=x+3y=×cm+4×2×34