Answer:
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m= -7
Step-by-step explanation:
9x-7
AB =3x-2
BC= 6x-5
AC=AB+AC
AC=(3X-2)+(6X-5)
AC=3X-2+6X-5
AC=3X+6X-2-5
AC=9X-7
11
If you count the total values
it equals 11
Answer: 12