Question

a) 2x+5>7x+3
b) -2x+4<9x
c) 5x+3≥3x+1​

Answer 1

Resposta:

Explicação passo a passo:

a)

2x - 7x > 3 - 5

-5x > -2

5x < 2

x < 2/5

b)

-2x - 9x  < -4

-11x < - 4

11x > 4

x > 4/11

c)

5x - 3x ≥ 1 - 3

2x ≥ -2

x ≥ -2/2

x  ≥ -1