Seudónimo
Seudónimo
12-11-2014
Mathematics
contestada
SOLVE PLEASE 11x – 9 > 13 or –4x – 4 < 8.
Respuesta :
TaylorBayley
TaylorBayley
12-11-2014
11x-9>13 -- add 9 to both sides
11x>22 -- divide by 11
x>2
-4x-4<8 -- add 4 to both sides
-4x<12 -- switch signs (to make variable positive)
4x<-12 -- divide by 4
x<-3
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20d + 13 - 12d = -14
