30-09-2018
Mathematics

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What is 9x + 12 < 84 and 2x - 6x > -8

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cforclub cforclub

30-09-2018

(9x+12<84)

9x+12-12<84-12

9x<72

=x<8

(2x-6x>-8)

-4x>-8

4x<8

=x<2

and the answer is x<2

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Sapphire2002 Sapphire2002

30-09-2018

9x+12<84 is 9x<72 which is x<7
2x-6x>-8 is -4x>-8 which is x<2

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