60-10x=20x-30如何解?

60-10x=20x-30如何解?


X=3



1/10x+9/10-1/20x=1


1/10x+9/10-1/20x=1 1/10x-1/20x=1-9/10 1/20x=1/10 x=1/10÷1/20 x=2