Question

ex 13 a, b, c, d, e, f​

Answer 1

• Răspuns:

a) x > 3

b) x > -1

c) x ≤ -1

d) x ≤ 5

e) x ≥ 4

f) x < 2

Explicație pas cu pas:

Salut! ʕ •ᴥ•ʔ

a) x + 2 > 5

x > 5 - 2

x > 3

b) x + 4 > 3

x > 3 - 4

x > -1

c) -x + 2 ≤ 3

-x ≤ 3 - 2

-x ≤ 1

x ≤ -1

d) x + 2 ≤ 7

x ≤ 7 - 2

x ≤ 5

e) 2x - 3 ≥ 5

2x ≥ 5 + 3

2x ≥ 8

x ≥ 8 : 2

x ≥ 4

f) x + 2 > 5x - 6

x - 5x > -6 + 2

-4x > -6 + 2

-4x > -8

x > -8 : (-4)

x < 2