Submitted 4 hours ago by LadyButterfly@piefed.blahaj.zone to science_memes@mander.xyz
https://piefed.cdn.blahaj.zone/posts/Ao/vN/AovNhRmmeHwHDFK.jpg
Presuming PEMDAS is our order of operations and the 5 next to the parentheses indicates multiplication…
2+5(8-5) -> 2+5(3) -> 2+15=17
Other than adding a multiplication indicator next to parentheses for clarification (I believe it’s * for programming and text chat purposes, a miniature “x” or dot for pen and paper/traditional calculators), this seems fine, yeah.
…I worry about how many people may not understand solving equations like these.
That’s not even an equation, just basic algebra
Fair enough, I’ve heard “math problem” and “math equation” used interchangeably.
Also you would be surprised how many people do not know basic algebra, at least in the US rofl
While I never failed a math class, I also never went last high school. When would your presumptions NOT be true?
Some forms of programming syntax, although there are the fringe cases where an equation is represented by a symbol in conjunction with a parentheses input.
For example:
y(x) = 2x+3
5+y(1) = 10, as 1 is substituted in for x in the prior equation.
I prefer BM-DAS, no one’s out here doing exponents, and no one calls brackets “parentheses”…
The way I was taught growing up, brackets are [these]. Parenthesis are (these).
Yes, technically the latter are also brackets. But they can also be called parenthesis, whereas the former is exclusively a bracket. So we were taught to call them separate words to differentiate while doing equations.
5 isn’t a valid function name, is obviously the right answer.
How can you be sure it’s not defined when we only see one line?
Gonna keep shouting until it sticks;
Put a goddamn function sign for the parenthesis. Don’t assume everyone just knows what to do with the parenthesis alone. Fml it bugs me every time this meme gets posted.
Counterpoint:
If kids where taught how to solve them properly we wouldn’t need to dumb down equasions.
PEMDAS bitches.
Please Excuse My Dear Aunt Sally… bitches.
It’s interesting that you can somewhat tell where you are from based on this, I learned it as BODMAS
Where are pemdas and bodmas users from?
I never ran into PEMDAS while growing up, in Sweden I’ve always been taught of it as the following order of operations:
Technically roots are a form of exponent, just fractional (square root is power of 1/2, for instance). I can see how it could be easier to conceptualize when you break it down like that though. Neat to see the differences compared to the US breakdown :)
Obviously the answer is 2+x(y)
And even if you don’t simplify it to y the end result is the same
2+x(y-z) = 2+xy-xz
Syntax error
The education system did not fail me. I failed my education.
the answer is [Answer]
Careful, you’ll summon Smartman Apps (with emojis) to insist mathematics has exactly one perfect unambiguous syntax, where 2*(1+3) is somehow different from 2(1+3), and also reverse Polish notation does-too have parentheses.
37
SSUPII@sopuli.xyz 4 hours ago
I feel like I am getting trolled
Isn’t 17 the actual right answer?
NewDark@lemmings.world 4 hours ago
Exactly
sem@lemmy.blahaj.zone 4 hours ago
So it’s just an unfunny meme?
pixeltree@lemmy.blahaj.zone 3 hours ago
Inside the parens first, so it becomes 2 + 5*3
Then tou do multiplication before addition, so 2 + 15
Then addition, so 17
SSUPII@sopuli.xyz 3 hours ago
Yeah I know that. But I was feeling confused as to why it was here. That’s why I was feeling trolled, because it made me doubt basic math for being posted in a memes community.
RizzRustbolt@lemmy.world 3 hours ago
There is no answer. Because there is no question.
imetators@lemmy.dbzer0.com 10 minutes ago
That is a problem, tho