Answer:
Step-by-step explanation:
I think it’s x=-9
 
        
                    
             
        
        
        
Answer:
f = 3 1/2
Step-by-step explanation:
f = 2t - 3f     Substitute 7 for t
f = 2(7) - 3f   Multiply
f = 14 - 3f 
+3f     + 3f    Add 3f to both sides
4f = 14          Divide both sides by 4
f = 3 1/2
If this answer is correct, please make me Brainliest!
 
        
             
        
        
        
I think it is Adjacent and Supplementary