georgie00
georgie00
22-06-2017
Mathematics
contestada
5x+6/12=4x-15/9
I need help to find x
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kettboy
kettboy
22-06-2017
You can use cross multiplication here. This is where we multiply the bottoms of the factions with the tops of the other one.
9 moves over to the lop left and 12 to the top right to give
12(4x-15)=9(5x+6)
48x-180=45x+54
3x=234
x=78
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