Question

What is the value of X?

Answer 1

5
2.5
7.5
10

Answer 2

@jim_thompson5910 could you help me again? :/

Answer 3

the two triangles are similar

Answer 4

so we have this ratio we can set up

x/(2x+5) = (x-2)/(2x-1)

Answer 5

I got 2x+5 by adding x and x+5

I also got 2x-1 from adding x-2 and x+1

Answer 6

I'm still confused... D: @jim_thompson5910

Answer 7

x/(2x+5) = (x-2)/(2x-1)

x(2x-1) = (2x+5)(x-2)

2x^2 - x = 2x^2 - 4x + 5x - 10

2x^2 - x = 2x^2 + x - 10

0 = 2x^2 + x - 10 - 2x^2 + x

0 = 2x^2 + x - 10 - 2x^2 + x

0 = 2x - 10

2x - 10 = 0

I'll let you finish

Answer 8

So x would be 5? @jim_thompson5910

Answer 9

yep, x = 5

Answer 10

thank you!!

Answer 11

np