Question

Exercícios
1)Resolva as inequações em R
A) 4x+6<0
B)5x+7>0
C) 3-10x<6-8x
D) 2-5x>-3x+12

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Answer 1

Resposta:

a)4×>-6

×>-6/4

×>-3/2

×€R/×>-3/2

b)5×>-7

×>-7/5

×€R/×>-7/5

c)-10×+8×<6-3

-2×<3

×>-3/2

×€R/×>-3/2

d)-5×+3×>12-2

-2×>10

×<10/-2

×<-5

×€R/×<-5