Question

Resolva as inequações a)2(x-1)>-2x+3 b)x/5-6>4-x

Answer 1

Resposta:

a)

$2( x- 1) > - 2x + 3 \\ 2x - 2 > - 2x + 3 \\ 2x + 2x > 3 + 2 \\ 4x > 5 \\ x > 5 \div 4 \\ x > 1.25$

logo ]1,25; + infinito[

b)

5-6>4-x

-1-4>-x

-5 >-x

5 < x

x>5

logo ]5, + infinito [