Question

Exercícios:Resolva as inequações:
a)3x>9
b)x+1>7
c)5x>-15
d)-x<8
e)-2x>10
f)1+x>7
g)4x+8>0
h)-3x+12<0
i)8x+8<16
j)6-4x>2

Answer 1

Resposta:

a) x>3

b) x>6

c) x>-3

d) x>-8

e) x<-5

f) x>6

g) x>-2

h) x>4

i) x>1

j)x<1

Explicação passo-a-passo:

a) 3x ÷ 3 >9 ÷3 = x>3

b) x +1 -1 >7 -1 = x>6

c) 5x ÷5 > -15 ÷5 = x>-3

d) -1× (-x) > 8 × (-1)

e) -2x ÷ (-2) < 10 ÷ (-2)

f) 1- 1 +x > 7 -1

g) 4x > - 8 4x ÷ 4 > -8 ÷ 4

h) -3x > -12 -3x ÷ -3 > -12 ÷ -3

i) 8x > 16-8 8x ÷8 > 8 ÷ 8

j) -4x > -4 -4x ÷-4 < -4 ÷ -4