Answer:
i believe it is a bc they are both equal but if wrong im sry
Step-by-step explanation:
x=-6 y=7
8x+5y=-13; x+y=1
Isolate x and substitute
(-13-5y)/8 +y=1
Isolate y
y=7
substitute y=7
(-13-5*7)/8=-6
-(x-10)=7
-x+10=7
-x=7-10
-x=-3
x=3
