Correct option is B
4x+5:3x+11=13:17
4x+5=13
3x+11=17
68x+85=39x+143
29x=58
x=2
5x+4:4x-1
5x+4:4x-1⇒5×2+4:4×2-1
5x+4 : 4x-1⇒14 : 7
5x+4:4x-1=2:1
4x+5:3x+11=13:17
4x+5=13
3x+11=17
68x+85=39x+143
29x=58
x=2
5x+4:4x-1
5x+4:4x-1⇒5×2+4:4×2-1
5x+4 : 4x-1⇒14 : 7
5x+4:4x-1=2:1