Answer:
A) 
Step-by-step explanation:
(B) x = 40
Step-by-step explanation:
4x + 20 = 180
4x = 160
x = 40
The answer is zero. Have a great day!
Answer:
it would be B.
Step-by-step explanation:
if you do 4x+20=3x
then you solve x by simplifying both sides of the equation and isolate the variable.
Answer:
option b
Step-by-step explanation:
you can't take out anything, not an x or a 2