Question

5. 8x + 4y = -5
8x + 4y = 12

Solve it algebraically

Answer 1

solving for x:

8x + 4y = -5

`x = ( - 1)/(2) y + ( - 5)/(8)`

and 8x + 4y = 12

`x = ( - 1)/(2) y + (3)/(2)`

solving for y:

8x + 4y = -5

`y = - 2x + ( - 5)/(4)`

and 8x + 4y = 12

`y = - 2x + 3`