3. What is the value of x?

5
2.5
7.5
10

Question

3.   What is the value of x?

5
2.5
7.5
10

anonymous · Answer

anonymous · Answer

I tried solving for x but I got 3.25

rishavraj · Answer

IT WONT LET ME ACCESS THE PAGE -_-

anonymous · Answer

|dw:1457460609325:dw|

anonymous · Answer

@rishavraj

rishavraj · Answer

why 3.25 ??
apply the concept of similar triangles :))

anonymous · Answer

what is the concept of similar triangles, my teacher isnt the best for my learning style.

rishavraj · Answer

which means 
$$\frac{ x }{ x+5 }~~=~~\frac{ x - 10 }{ x + 1 }$$

anonymous · Answer

so does that mean I would write it as

rishavraj · Answer

anonymous · Answer

I still dont understand do you think you can walk me through the steps?

rishavraj · Answer

sorry for late reply....internet lagging :?

anonymous · Answer

nope your good

anonymous · Answer

however I just dont understand what we are multiplying because there are more than two different x equations

rishavraj · Answer

see the equation I mentiond we need to solve it to get x

rishavraj · Answer

lemme know if u hav been taught about similar triangles??

anonymous · Answer

yes i see we have to solve for x