Question

Solve: 8x+14y=4 6x+7y=10

Answer 1

Answer:

Therefore, x = 4 and y = -2.

Step-by-step explanation:

The steps are ;

$8x + 14y = 4$

$2(4x + 7y) = 4$

$4x + 7y = 2 - - - (1)$

$6x + 7y = 10 - - - (2)$

$(2) - (1)$

$6x - 4x = 10 - 2$

$2x = 8$

$x = 4$

$sub \: x = 4 \: into \: (1)$

$(1)⇒$

$4(4) + 7y = 2$

$16 + 7y = 2$

$7y = - 14$

$y = - 2$