Question

I suck at math, so bad. :c

Answer 1

Hint: solve for y in terms of x in either equation

Answer 2

8x + 3y = -12 ( 1)
6x + 5y = -20 (2)
Multiply the first equation for 5
and the second one for 3, can you?

Answer 3

Could you show your work? And/or use wolframalpha.com to check results

Answer 4

i think something should be negative in what you said @Chlorophyll

Answer 5

@lgbasallote yes, but then it'll be too many steps for the asker :(
(As I'm unsure how much is too many for them, but just assume that way)