16-10-2016
Mathematics

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make a the subject, 2(3a - c) = 5c + 1

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Аноним Аноним

16-10-2016

2(3a - c) = 5c + 1 ---> Multiply the brackets out on the left side.
6a - 2c = 5c + 1 ---> Add 2c to both sides
6a = 7c + 1 ---> Divide both sides by 6:

7c + 1
a = --------
6

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olemakpadu olemakpadu

16-10-2016

2(3a - c) = 5c + 1

Multiply out.

2*3a - 2*c = 5c + 1

6a - 2c = 5c + 1

6a = 5c + 1 + 2c -2c crosses over to become +2c

6a = 5c + 2c + 1

6a = 7c + 1 Divide both sides by 6

6a/6 = (7c + 1) / 6

a = (7c + 1)/6

I hope this explains it.

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