Maths question please
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Maths question please

[From: ] [author: ] [Date: 11-06-06] [Hit: ]
....-5x........
5x+3y=7
and you have to make 'y' the subject of the formula
thank you :)

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3y=7-5x
y=7/3-5/3x
@
=(7-5x)/3

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5x + 3y = 7..........write out original
-5x..........-5x........subtract 5x from each side to get y on a side and everything else on a side
.......3y = -5x + 7
.....------...------------.divide each side by 3 to isolate the variable, y
.......3...........3
.........y = (-5/3)y + (7/3) done :)

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3y = 7 - 5x

y = ( 7 - 5x ) /3 ANSWER

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y = -5x/3 + 7/3
1
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