how do I find the variable and leave in fraction 3 + 8/7d = -1

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16-08-2016
Mathematics

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how do I find the variable and leave in fraction 3 + 8/7d = -1

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texaschic101 texaschic101 · Answer 1 · 2016-08-16T05:23:46+02:00

texaschic101 texaschic101

16-08-2016

3 + 8/7d = -1....subtract 3 from both sides
8/7d = -1-3
8/7d = -4.....now u multiply both sides by 7/8 (the reciprocal of 8/7)
(7/8*8/7)d = 7/8 * -4
1d or just d = - 28/8 reduces to - 7/2 <==

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