Question

Resolva as inadequações a) 1,8x>-3,6 b)0,5x-2<4

Answer 1

a) 1,8x>-3,6
x > -3,6/1,8
x> -2

b)0,5x-2<4
0,5x < 4 +2
0,5x < 6
x < 12