Question

Inequações a) 8 (x+3) > 12 (1-x) b) x+6>2 c) 3 (1-x) <= 7 f) x+7< 10

Answer 1

a) 8x+24>12-12x
20x> -12
x> -12/20
x> -3/5

b) x>2-6
x> -4

c) 3-3x < 7
-3x <4
-x < 4/3 aqui vc multiplica por -1
x > -4/3

d) x < 3