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Leona [35]
3 years ago
10

[(4x + 15) / 5x)] = 1/2

Mathematics
1 answer:
Arada [10]3 years ago
6 0
One way in which to approach this problem would be to treat it as an equation of ratios and to cross multiply:

<span>[(4x + 15) / 5x)] = 1/2  could be written as:

4x + 15        1
----------- =  ---
     5x           2

Then 8x + 30 = 5x

3x = -30,  and so     x = -10 (answer).  Be certain to check this answer through substitution!

</span>
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