Answer:
5x+3y=-1. A
6x-5y=16. B
3y=-5x-1
y=-5x/3 -1/3. C
sub C in B
6x-5(-5x/3 -1/3)=16
simplify:
6x+25x/3+5/3=16
Like terms
43x/3=43/3
cross multiply
129=129x
divide both sides by 129
X=1
sub X value in C
y=-5(1)/3 -1/3
y=-2.
