lilred5
lilred5
18-10-2016
Mathematics
contestada
I need help with this
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FLORC
FLORC
18-10-2016
7x-9 < 12 add 9 to both sides 7x < 21 divide both sides by 7 X < 3 X is less than 3 1/4x+8 > 11 subtract both sides by 8 1/4x > 3 multiply both sides by 4 X > 12 X is greater than 12 X <3 or X > 12
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