Answer:
subtract 9 both sides -4 = -k -12 then ad 12 both sides , 8 = -k
Explanation:
k = 4
Possible first steps:
-4k + 9 = -k - 3
+k +k add k to both sides
OR
- 9 - 9 subtract 9 from both sides
(LTLNTR a.k.a letters to left, numbers to right)
Hope this helps :)
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