Question

resolva a inequaçao 3(x+1)<-2(x-1)+15

Answer 1

3+1=4-2=2-1=1+15=16 bem simples

Answer 2

3 ( x + 1 ) < -2 ( x - 1 ) + 15
3x + 3 < -2x + 2 + 15
3x + 2x < 2 + 15 - 3
5x < 14
x < 14/5
x < 3,2

S= { x ∈ R / x < 3,2 }