b/2b-(6+6b)= -2/7 answer should be -12
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Answer:
b/2b-(6+6b)=-2/7
1/2-6-6b= -2/7
1-12-12b/2 = -2/7
-11-12b=-4/7
-12b= -4/7+11
-12b =-4+77/7
-12b = 73/7
b=73/7*(-12)
b= -73/84
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