Question

What is the solution to the following system of equations?
-8x + 8y = -16
2x + 6y = -28

Answer 1

-8x + 8y = -16 ----> A
2x + 6y = -28 -----> B

multiply eq B by 4 and add it to equation A

Answer 2

so it will be -64

Answer 3

-64 ???

Answer 4

multiplying equation B by 4 we get
8x +24 y = 112
adding it with eq A we
32 y = 96
y = 3

Answer 5

now put this value of y in eq A or B to get x

Answer 6

thanks