Question

Resolta o sistema
2x+4y=6
x+2y=3

Answer 1

x = 3 - 2y

2.(3 - 2y) + 4y = 6

6 - 4y + 4y = 6

4y = 4y

y = 4/4 = 1

x + 2.1 = 3

x = 3-2

x = 1

Y = 1 e X = 1