Answer:
When x=4 we get the value of the given expression is

Step-by-step explanation:
Given rational expression is 
To find the value of the given rational expression 
when x is equal to 4 :
That is the value of the given rational expression 
when x=4 :

Put x=4 in the above rational expression we get




Therefore when x=4 we get the value of the given expression is

Answer:
32
Step-by-step explanation:
(3x-4)+(3x-8)=180
6x-12=180
6x=192
X=32
Answer:
-1
Step-by-step explanation:
-5-15+4+15
=-20+19
=-1
Step two is the right answer.