Question

I need help solving for X

Answer 1

x= 10

Explanation:

The total measure of this degree is 90, since it's a right angle.

So, the equation would be: 5x+4x= 90.

Step 1- Add common variables.

(5x+4x)= 90

9x= 90

Step 2- Divide 9 to both sides.

9x= 90

9 9

x= 10

Hope this helps! :)