Question

Please help me solve this' 2x − 4y = 6 2x + 4y = -10 (-1, -4). (-1, -2). (2, 4). (1, -2).

Answer 1

(-1, -4)

Explanation:

2x − 4y = 6 ⇒ 2x = 4y + 6

2x = 4y + 6 and 2x + 4y = -10

so: 4y + 6 + 4y = -10

4y + 6 = -10

4y = -16

y = -4

2x = 4(-4) + 6 = -8 + 6 = -2

2x = -2 ⇒ x = -1