<h2> 4(x - 8) + 10 = -10</h2><h2 />
Start by subtracting 10 from both sides.
This gives us 4x - 32 = -20.
Now add 32 to both sides to get 4x = 12.
Now divide both sides by 3 to get <em>x = 3</em>.
Your question is very confusing but x=8 so just plug in 8 where you see X
30: x
60: xsqrt3
90: 2x (hypotenuse)
