First you write out your equation, which is 28x-42=154. Then you solve you equation. First, add 42 to each side, get 28x=196. Divide both sides by 28, get x=7.
        
             
        
        
        
Hello!

Explanation:
↓↓↓↓↓↓↓↓↓↓↓
First this problem it should be the group like terms.

Then you add similar elements.


You can also add or subtract by the numbers.


Answer⇒⇒⇒3d+9
Hope this helps!
Thank you for posting your question at here on Brainly.
Have a great day!
-Charlie
 
        
                    
             
        
        
        
<span>Tan(x)=2
Or for x=45 tan(x)=1 
then for tan(x)=2 ; x must be superior to 45 
Then the answer is </span><span>d. 63.4 degrees</span> 
        
             
        
        
        
Please read the attached file