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Inessa05 [86]
4 years ago
9

How do you solve this ?

Mathematics
1 answer:
TEA [102]4 years ago
4 0

JK=9x-11\\KL=5x+2\\JL=(9x-11)+(5x+2)=(9x+5x)+(-11+2)=14x-9\\\\JK+KL=JL\\\\\text{substitute}\\\\14x-9=10x+7\ \ \ \ |+9\\\\14x=10x+16\ \ \ \ |-10x\\\\4x=16\ \ \ \ |:4\\\\x=4\\\\JK=9x-11\to JK=9(4)-11=36-11=25

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zaharov [31]
I would think 3? it should be 3 because 32*2=64 which isn’t everyone 32*3 is 96
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3 years ago
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The mean is the average.
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tankabanditka [31]

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