Question

Problema 10 de la F la L va rog

Answer 1

e)3x-6≤0

3x≤6

x≤$\frac{6}{3}$

x≤2

f)4x-5≥7

4x≥7+5

4x≥12

x≥$\frac{12}{4}$

x≥3

g)5-x<4

-x<4-5

-x<-1

x>1

h)5x-4>9

5x>9+4

5x>13

x>$\frac{13}{5}$

i)4x-7<x+5

4x<x+5+7

4x<x+12

4x-x<12

3x<12

x<$\frac{12}{3}$

x<4

j)5(x-1)≤3(x+1)

5x-5<3x+3

5x≤3x+3+5

5x≤3x+8

5x-3x≤8

2x≤8

x≤$\frac{8}{2}$

x≤4

k)-2x+5≤3(x-1)+8

-2x+5≤3x-3+8

-2x+5≤3x+5

-2x≤3x

2x+3x≥0

5x≥0

x≥0

l)3(x-5)<4(x+5)-3

3x-15<4x+20-3

3x-15<4x+17

-15<4x+17-3x

-15<x+17

-15-17<x

-32<x

x>-32

Answer 2

Aici ai răspunsurile.
Sper ca te-am putut ajuta:))