solve for x : x²-9/x+3=4/7
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Answer:
cross multiply it.
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Step-by-step explanation:
x^ - 9 4
---------- = ----------
x + 3 7
7( x^ - 9 ) = 4( x + 3 )
7x^ - 63 = 4x + 12
7x^-4x = 12 + 63
3x^=51
x^=51/3
x^=17
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