2x+1 upon 3 = 7x+3 upon 15
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Answer:
-2/3
Step-by-step explanation:
2x + 1 7x + 3
-------- = ------------
3 15
15(2x + 1) = 3(7x + 3)
=> 30x + 15 = 21x + 9
=> 30x - 21x = 9 - 15
=> 9x = -6
Therefore x = -6/9 or -2/3
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