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Meghan Preston
Mathematics
6 September, 16:28
3c+-9=18 I don't know how to do this problems
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Kayden Glass
6 September, 16:39
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3 because you have to add - 9 to 18 then divide 3c by tht answer
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Tiffany Perkins
6 September, 16:56
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3c+-9=18
+-=-
3c-9=18
move 9c to the other side and the sign changes from negative to positive.
3c-9+9 = 18+9
3c = 27
Divide by 3
c=9
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