Answer:
k = -1
Explanation:
-18-6k=6(1+3k)
-18-6k = 6+18k
-6k-18k = 6 + 18
-24k = 24
-k = 24/24
-k = 1
k=-1
-18-6k=6+18k
+6k +6k
-18=6+24k
-6 -6
-24=24k
/24 /24
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