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with...

\[\sqrt{4x-y}=3d\]

solve for x

You can square both sides, to start with.

kk

oh do you just need x by itself? i thought you wanted like actual values. ok phew

lol

getting x by itself is getting the actual values.

no i meant like a numerical value

it would be a numerical value. Determined by unknown d and variable y.

ok

i have know idea what to do

did you square both sides?

ya

what did you get

umm idk

what do you mean? well i got 4x-y=9d^2

\[\sqrt{4x-y}=3d\]ummm

i need to solve for x

well squaring both sides would get you (squareroot 4x-y) ^2 = (3d)^2

how do you get ^2

oh ^2 means sqaure

oo

so you get how to square both sides then?

idk this is my first time doing this or a problem like this

oh ok well have you done questions like this: x^2 = 25

ya

that would be 5 ya

yeah this question is pretty much the same thing

oo

so you square the 3d

yup and also the sqrt 4x-y

so would it be 9d

9d^2 but yeah

kk then what do i do

did you also square the other side?

so would it be 16x-y^2

so it stays the same

yeah

can you solve it now? you just have to get x by itself

would the square roots still be there

no

so it would look like 4x-y=9d

yeah exactly

kk i dont have a teacher

oh...how does that work?

well my mom is my teacher but my mom is in the hospital

ohh ok

ya

how do i get x by it's self

sorry if you dont mind me asking, what grade are you in? like technically, like your age

14 in 9

sorry again, (none of my business i know) but why don't you go to school?

so what i got was 4x=9dy drama and lot of fighting

that's right except that it's d^2 not just d

oh, well i'm sorry. hope it works out, whatever it is

oo k

thank you well we are having hard times my bf just got put in jail for a year

It's good that you're doing math and stuff though

lol thank you hes only 15

i thought you couldn't go to jail unless you're an adult? well i suppose different countries

ohh the kids do what they have to?

ya well know that i look back at what happened it is his own problem

oh. well anyways good luck. time heals

ya kk so know what do i do with 4x=9d^2y

you divide 4 on both sides

because what happens on one side you do to the other

yeah! exactly! :D good job

thank you so it would be 2.25 d^2y

wait what? so i had 4x=9d^2 + y
and so x= (9d^2 + y)/4

ya and that is what i did then i divided 9/4=2.25