Hey Greg! In the Algebra video ‘Operations with Expressions’ I believe there has been a mistake in the content.
Greg says, for the equation ‘2x+3/4-5x’, you cannot have x=0 or x=4/5.
Now x=4/5 makes sense as the resulting denominator would be 0 and anything divided by 0 ‘causes a nuclear war’, however x=0 would result in the denom=4-0=4 and the numerator would be 3 hence the value=3/4 which is absolutely fine isn’t it?
Could you please look into this and maybe if it was a mistake, correct the content? or correct my mistake too 
Thank you for all the content and help Greg! You’ve been amazing!!