Answer:
(- , )
Explanation:
8x - y = = 15 → (1)
y = - 8x → (2)
substitute y = - 8x into (1)
8x - (- 8x) = - 15
8x + 8x = - 15
16x = - 15 ( divide both sides by 16 )
x = -
substitute this value into (2)
y = - 8 × - = - 1 × - =
solution is ( - , )
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