F(x) = - x - 5
f(4) = -4 - 5 = -9
Answer: f(4) = -9
        
             
        
        
        
Answer:
x = 47°
Step-by-step explanation:
Since the two angles on a line add up to 180 degrees:
x = 180-133
x = 47°
 
        
                    
             
        
        
        
<h3>
Answer:  £66</h3>
Your teacher may want you to leave off the pounds sign. 
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Explanation:
x = amount Bill gets
3x = amount Sam gets, because he gets three times as much 
x+3x = 4x = total amount of money
4x = 88
x = 88/4
x = 22
Bill gets £22
3x = 3*22 = 66
Sam gets £66
Note that 22+66 = 88 to help confirm the answer.
 
        
        
        
Answer:
6666666.667 equals x
Step-by-step explanation:
take the 3 to the other side- doin that is became positive
them you divide to find x