Answer: M=-7
Step-by-step explanation:
-2(m+6)+1=3
subtract 1 from both sides
-2(m+6)=2
divide by negative 2
m+6=-1
subtract 6 from both sides
m=-7
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C. P+0.085p=$368.90. 1.085p=$368.90. $368.90/1.085=$340. The original cost was $340 :)