Question

Find the solution of the system of equations. 8x – 6y = -32 - 8x + 5y = 36

Answer 1

8x - 6y = -32 (eq. 1)

-8x + 5y = 36​ (eq. 2)

Adding equation 2 to equation 1,

8x - 6y = -32

+

-8x + 5y = 36

-----------------------

-y = 4

y = -4

Replacing this result into the first equation,

8x - 6(-4) = -32

8x + 24 = -32

8x = -32 - 24

8x = -56

x = -56/8

x = -7