Find the value of x.
The angles of a triangle always sum to 180 degrees.
So, we now that x + x + 10 + 3x - 5 = 180
Which means: 5x + 5 = 180
Which makes 5x = 175
And x = 175/5 = 35 :D
The sum of the degrees in any triangle is 180 degrees
(x+10)+(3x-5)+x=180
5x+(10-5) = 180
5x+5=180
5x = 175
x=35
