Question

8x-5>3 ;x-2=2x-5;3x+1<2x+3;  2x-5<3x-8;7x+1<5x+3; 11x-5=7x+3;9x+3<5x+9 va rog frumos sa ma ajutati si pe mine

Answer 1

8x-5>3 
8x>3 +5
8x>8
x>8:8
x>1
x∈(1,+∞)

x-2=2x-5
5-2=2x-x
3=x




3x+1<2x+3
3x-2x<3-1
x<2
x∈(-∞,2)


2x-5<3x-8
8-5<3x-2x
3<x
x>3
x∈(3,+∞)



7x+1<5x+3
7x-5x<3-1
2x<2
x<1
x∈(-∞,1)


11x-5=7x+3
11x-7x=3+5
4x=8
x=8:2
x=2

9x+3<5x+9
9x-5x<9-3
4x<6
x<6/4
x<3/2
x∈(-∞,3/2)


nu ai precizat ce fel este x