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21-04-2017
Mathematics

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What is the difference between -5x + 7 and 3x - 2

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21-04-2017

(-5x+7) - (3x-2) = 8x + 9.

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21-04-2017

-5x+7=3x-2
-5x+7-3x+2=0
-8x+9=0
-8x=-9
x=-9/-8
x=9/8=1.125

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