Question

8y=28-4x
6x+8y=6
find the solution to the system of equations

Answer 1

first equation equivalent to

4x+8y=28

substract with second equation

-2x=22

divide with -2

x=-11

substitute to first equation

8y=28-4(-11)

8y=72

divide with 8

y=9

so the solution is (-11,9)