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Mathematics 7 Online
OpenStudy (anonymous):

how do i solve V=LWH solve for l

OpenStudy (unklerhaukus):

what are you solving for?

OpenStudy (anonymous):

L

OpenStudy (unklerhaukus):

ok, divide both sides of the equation by WH

OpenStudy (anonymous):

ok i understand that but what whould that answer to that be.

OpenStudy (unklerhaukus):

V / WH = LWH / WH the right hand side simplifies

OpenStudy (anonymous):

ok so would the final next equation be V/WH=LWH?

OpenStudy (unklerhaukus):

the hight hand side LWH / WH simplifies by cancelling factors common in the numerator and denominator

OpenStudy (anonymous):

Oh so V/WH=L then are you done or is there more?

OpenStudy (unklerhaukus):

that's it V/WH = L or L = V/WH

OpenStudy (anonymous):

oh ok thanks. do you have time for one more

OpenStudy (unklerhaukus):

if your quick,

OpenStudy (anonymous):

ok 2X+Y=2 solve for y

OpenStudy (unklerhaukus):

2X+Y=2 to get Y by itself , we have to get that 2X to the other side to do this take away 2X from both sides of the equation

OpenStudy (anonymous):

but 2x is only on one side not both

OpenStudy (unklerhaukus):

take away 2X from the left, and minus 2X on the right

OpenStudy (anonymous):

Ok that makes sense but my math teacher said you cant subtract a 2x from a two or a 3x from a 5. because they both dont have a variable.

OpenStudy (unklerhaukus):

your right in the sense that the terms on the right do not simplify but the terms on the left hand side do 2X + Y = 2 2X + Y -2X = 2 -2X

OpenStudy (anonymous):

ah ok thanks I think I got it now.

OpenStudy (unklerhaukus):

what's the final solution for Y?

OpenStudy (anonymous):

Ok fine I lied still don't get but it's cool I'll just ask my teacher tomorrow thanks anyways. But just a guess does Y=2-2X?

OpenStudy (unklerhaukus):

you got it , y=2-2X is the result you were looking for ,

OpenStudy (anonymous):

Oh ok cool so one more does 3X+Y=3 solve for y equal, Y=3

OpenStudy (unklerhaukus):

almost . something is missing

OpenStudy (anonymous):

Y=3-3x?

OpenStudy (unklerhaukus):

\[\large \checkmark\]

OpenStudy (anonymous):

Ok thanks

OpenStudy (unklerhaukus):

good work

OpenStudy (anonymous):

Thanks. Good teaching skills.

OpenStudy (unklerhaukus):

\[\ddot\smile \]

OpenStudy (unklerhaukus):

Welcome to Openstudy !

OpenStudy (anonymous):

thanks

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