Question

http://prntscr.com/pvwai7

Answer 1

@dude

Answer 2

@Vocaloid

Answer 3

@mhchen

Answer 4

(2x+ 27) + (2x-11) = 100
right?

Answer 5

Correct which means x is 21

Answer 6

What about this?
http://prntscr.com/pvwiib

Answer 7

re-draw it like this:

Answer 8

so add 40 and 180 and 180?

Answer 9

@dude

Answer 10

No

Remember that triangle angle measures add up to 180º

Add the angles inside the triangle and set it equal to 180

40+(180-x)+(180-x)=180

Then solve for x

Answer 11

Got it

http://prntscr.com/pvx7si

Answer 12

This is an isoceles triangle

So set 3x+2 and 11 equal to each other

Answer 13

Got it

I am going to make a new post