Answer:
x=-2, y=-3. (-2, -3).
Step-by-step explanation:
y=8x+13
-4x-5y=23
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-4x-5(8x+13)=23
-4x-40x-65=23
-44x-65=23
-44x=23+65
-44x=88
x=88/-44
x=-2
y=8(-2)+13=-16+13=-3
