Answer:
x=2
AB=8
BC=8
AC=16
Step-by-step explanation:
7x-6=12-2x
7x+2x=12+6
9x=18
x=2
AB=7x-6=7(2)-6=14-6=8
BC=12-2x-12-2(2)=12-4=9
AC=8+8=16
Answer:



Step-by-step explanation:
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The pair of corresponding angles have parallel lines that have to equal
Trial and error on this one try each pair till you find negative slopes
C and D