Answers

2014-02-25T09:58:08+08:00
You have to divide 6 by 72 so that 6 times the value of a equals 72 :>>
i hope i helped you :>
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2014-02-25T11:43:17+08:00

Transpose 6 to the right, so it becomes negative

a=72-6

Subtract

a=64

The answer is 64 :)

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