Question

algúem pode me ajudar ? inequaçoes
a) -4x+5>0
b)3(x-4)+1>2X-12
c) 4x-3<0

Answer 1

a)-4x>-5 (-1)       b)3x-12+1>2x-12       c)4x<3
4x<5                      3x-2x>-12+12-1         x<3
x<5                        x>-1                               4
    4