Question

Please solve this question .

Answer 1

Answer:

interior angles in a heptagon is 180degrees

so subtract the angles given

therefore add all the interior angles and subtract it with 900

by doing this u get the value of X

substitute the value in the given equation

Answer 2

Answer:

Here is your answer dear

Step-by-step explanation:

Add 9 to both sides.

2x=5+9

Simplify 5+95+9 to 1414.

2x=14

Divide both sides by 22.

x= 214

Simplify 214

to 77.x=7