Answer:
6+12=18
Step-by-step explanation:
Yes, if the rule is
... output = input + 12
you add 12 to whatever input value you might have. For an input of 6, this is
... output = 6 + 12 = 18
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Answer: It's 3.8
k=-2x+9
-4x+6=k*2x-3
+3 +3
-4x+9=k*2x
/2x /2x
-2x+9=k