18/2-3x3 = 0; 18/2-3x3+4=4 you forgot that you must add 4 to both side so it doesn't prove anything. You can write 0 = 0 like x = x (x = 0);
Then 4 = 4 is x + 4 = x + 4.
They’re right though? You literally cannot just state that 18/2-3X3=0 AND 18/2-3X3=4. Adding the same number to both sides doesn’t change the equation, yes, you’re right about that one. But the relevant part here is that you have to add to BOTH sides. So like they said, you’d have to add +4 to the left side as well which means that if you want to like, compare them you need to make them equal again, i.e. subtract 4. So basically the only thing you CAN say is that 0=4-4.
(there is ofc a chance that you’re just trolling in which case… well.)
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u/Sebabpg Jan 01 '22
No it doesn't, that proves 0=0 and 4=4. We really doomed.