Question

Ecuasiones 2x+4y=10
×+3y=27

Answer 1

Explicación paso a paso:

2x + 4y = 10

(x + 3y = 27) ×2

2x + 4y = 10 -

2x + 6y = 54

- 2y = - 44

2y = 44

y = 44/2

y = 22

2x + 4y = 10

2x + 4(22) = 10

2x + 88 = 10

2x = 10 - 88

2x = -78

x = -39