The lines -2x + y = k and 0.5x + y = 14 intersect when x = -8. What is the value of k?
y = k + 2x —> when x = –8 then —> y = k – 16
y = 14 – 0.5x —> when x = –8 then y = 14 – (–4) —> y = 18
k – 16 = 18
k = 18 + 16
k = 34
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