Question

Inequacoes do 1°grau

a) X- 10 > -2

b) -2 X > -10

c) -3 X<-12

dX-3<8

e) 8X-5>6X+1

f)X+1>3-2×

g) 7X-13<3X-1

h)5X-5>-9+3x

Me ajudem

Answer 1

Explicação passo-a-passo:

a)

X- 10 > -2

x>-2+10

x>8

b) -2 X > -10

-2x>-10.(-1)

2x<10

x<10/2

x<5

c)

-3 X<-12 .(-1)

3x>12

x>12/3

x>4

d)

X-3<8

x<8+3

x<11

e)

8X-5>6X+1

8x-6x>1+5

2x>6

x>6/2

x>3

f)

X+1>3-2×

x+2x>3-1

3x>2

x>2/3

g)

7X-13<3X-1

7x-3x<-1+13

4x<12

x<12/4

x<3

h)

5X-5>-9+3x

5x-3x>-9+5

2x>-7

x>-7/2