Originally posted by phenolatukas3y-4+2x=3x+8
3y-x-4=8
Yes, this is correct. Although not how I normally solve it.
Normal would be 3y=x+12
Originally posted by phenowhatever3y-x=12 3y=12+x x=3y-12
Yes, but why not figure out what y is? {y=1/3x+4}
Originally posted by phenowhocaresAs we know 3y=12+x, we can substitute the 3y in the 'x=3y-12' equation for '12+x'
SIGH.
What do you not get about this law? Just because it doesn't (specifically) apply to mathematics doesn't mean it is useless.
Originally posted by phenofailSolved it. x is obviously equal to x.
Wrong.
m=1/3
b=4
y=1/3x+4
x=3y-12

I sense your fail at trying to look cool. X is neither x, nor 3y-12, but in this situation, it IS 3y-12, except that's not how you use slop-intercept form. Again, y=1/3x+4.
And no, x cannot equal x even with an undefined y.
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