Question 447973
X + .25X=0.4



Since X and 0.25X are like terms add 0.25x to x to get 1.25x

1.25x=0.4 


Divide each term in the equation by 1.25 

1.25x/1.25=0.4/1.25

Cancel the common factor  of 1.25
x=0.4/1.25


Divide to perform the operation of division. 0.4 by 1.25 to get 0.32. 

x=0.32