Question

Resolva as inequaçoes em U = Q a)3(x + 5 ) > 9 b)2(3x - 10) < 15 c ) x - 20 < 20 socorro preciso de ajuda

Answer 1

A) 3X + 15 > 9
3X> 9-15
3X> -6
X> -6/3
X> -2

B) 6X - 20 < 15
6X< 15+20
6X< 35

X< 35/6

C) X - 20 < 20
X < 20 - 20
X < 0