katy123456789 katy123456789

16-05-2018
Mathematics

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Make a the subject of the formula:p=2a-3

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CastleRook CastleRook

25-05-2018

To make a the subject we proceed as follows:
p=2a-3
add 3 on both sides
3+p=2a-3+3
simplifying the above gives us:
3+p=2a
divide both through by 2
3/2+p/2=(2a)/2
thus
a=3/2+p/2

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