Answer:
x = 50°
Step-by-step explanation:
130 and x are adjacent angles on a straight line and sum to 180° , so
x + 130° = 180° ( subtract 130° from both sides )
x = 50°
<h2>

</h2>

<h3>(OR)</h3>

<h2>

</h2>

![\sf{=\dfrac{d}{dx}\bigg[\dfrac{a^x}{ln(a)} \bigg] }](https://tex.z-dn.net/?f=%5Csf%7B%3D%5Cdfrac%7Bd%7D%7Bdx%7D%5Cbigg%5B%5Cdfrac%7Ba%5Ex%7D%7Bln%28a%29%7D%20%20%5Cbigg%5D%20%7D)
<h3>(Linear differentiation)</h3>



<h2>

</h2>
<h3>✭ Linear differentiation</h3>
→ ![\sf{[a.b(x)+c.d(x)]'=a.b'(x)+c.d'(x)}](https://tex.z-dn.net/?f=%5Csf%7B%5Ba.b%28x%29%2Bc.d%28x%29%5D%27%3Da.b%27%28x%29%2Bc.d%27%28x%29%7D)
<h3>✭ Exponential function rule</h3>
→ 
Answer:
1
Step-by-step explanation:
A third of 3=1
3/3=1
X/8-1/2=6
X/8=6+1/2=13/2
X/8=52/8
X=52