Question

a) 3(x-5)<-6
b) 2(x+1)>x+3
c) 2(x+1)>3(x+1)
d) 3x-5(x+2)<1

Answer 1

A) 3(x-5)<-63x-15<-6
3x<15-6
x<9/3
x<3

b) 2(x+1)>x+3
2x+2>x+3
2x-x>3-2
x>1

c) 2(x+1)>3(x+1)
2x+2>3x+3
2x-3x>3-2
-x>1        inmultim -1
x<-1

d) 3x-5(x+2)<1
3x-5x-10<1
-2x<10+1
-x<11/2    inmultim -1
x>-11/2

Answer 2

a)3(x-5) <-6
3x-15<-6
x= - 5 <-6 (A)
c)2(x+1)>3(x+1)
2x+2>3x+3
x>x (F)
b) 2(x+1)>x+3
2x+2>x+3
x>x+3 (F)
d)3x-5(x+2)<1
3x-5x+10<1
-2x+10<1
-5<1 (A)