Mathematics
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OpenStudy (anonymous):
3y+x=15
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OpenStudy (anonymous):
Help !
OpenStudy (anonymous):
What??
OpenStudy (anonymous):
Solve for x
hartnn (hartnn):
subtract 3y from both sides...
OpenStudy (anonymous):
what do you mean?? its a linear function, a straight line graph.
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OpenStudy (jwheele1):
solve for x means they want to see something that says "x = ________"
OpenStudy (jwheele1):
once you get to that point, you can then see IF there is anythign else you can do
OpenStudy (jwheele1):
the way to get x by itself and x= is to subtract 3y from both sides
OpenStudy (anonymous):
i get that, i'm in the ib. so all you want is x = 15 - 3y ??
OpenStudy (jwheele1):
yes.
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OpenStudy (jwheele1):
BUT
OpenStudy (jwheele1):
yes but its good practice to put numbers attached to variable before numbers alone
OpenStudy (anonymous):
I just need a answer
OpenStudy (jwheele1):
x = -3y + 15
OpenStudy (jwheele1):
OR
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OpenStudy (anonymous):
its the same thing, you know.
OpenStudy (jwheele1):
x = -3(y + 5)
OpenStudy (jwheele1):
it means the same thing but its not in the correct mathematical order. equations shoudl look something like this X^5 + x^4 + X^2 + X + #
OpenStudy (jwheele1):
in order by exponential degree
OpenStudy (jwheele1):
anyways its just for reference and you dont have to take the advice if you dont want to