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Mathematics 15 Online
OpenStudy (darthvader2900):

Help please

DivineSolar (divinesolar):

I am here.

OpenStudy (darthvader2900):

Wow you were here before I was! :D

DivineSolar (divinesolar):

Right now I am focused on helping you. ^-^.

OpenStudy (darthvader2900):

DivineSolar (divinesolar):

Okay so do you know the first step to solving a system of equations?

OpenStudy (darthvader2900):

Nope.

DivineSolar (divinesolar):

Step: Solve y=3x+15 for y: Step: Substitute 3x+15 for y in 2x+3y=1

DivineSolar (divinesolar):

2x+3y=1 > 2x+3y=1(3x + 15)

DivineSolar (divinesolar):

2x+3y=1(3x + 15) = 1

DivineSolar (divinesolar):

Complete that and tell me what you get.

OpenStudy (darthvader2900):

Never mind I think I know the answer.

DivineSolar (divinesolar):

What is your answer?

DivineSolar (divinesolar):

Well answers.

DivineSolar (divinesolar):

y = ? x = ?

OpenStudy (darthvader2900):

2x+y=8 x+3y=14

DivineSolar (divinesolar):

No.

DivineSolar (divinesolar):

We are solving this system of equations > Yes?

OpenStudy (darthvader2900):

Yes

DivineSolar (divinesolar):

Then those are the wrong answers as it will be a one digit number for each variable, x = ?, y = ?

DivineSolar (divinesolar):

Lets go back to solving what I had before.

DivineSolar (divinesolar):

11x+45=1

DivineSolar (divinesolar):

This is what you get.

OpenStudy (aajc10):

what are the ansers

DivineSolar (divinesolar):

Simplify both sides of the equation by adding -45 to each side > 11x + 45 + −45 = 1 + −45

DivineSolar (divinesolar):

What do you get?

DivineSolar (divinesolar):

@DARTHVADER2900 You there?

OpenStudy (aajc10):

just_one_last_goodbye can you fan me please

OpenStudy (aajc10):

his computer froze

OpenStudy (darthvader2900):

I am not sure

DivineSolar (divinesolar):

Okay well it really is simple > 11x = -44 > Now we divide both sides by 11 > \[\frac{ 11x }{ 11 } = \frac{ -44 }{ 11 } (divide both sides by 11)\]

DivineSolar (divinesolar):

What do you get for x?

DivineSolar (divinesolar):

@DARTHVADER2900

OpenStudy (darthvader2900):

Answer is 3, -4.

DivineSolar (divinesolar):

Correct, y = 3 and x = -4!

OpenStudy (darthvader2900):

Thanks!! I have no more questions.

DivineSolar (divinesolar):

Great! :D!

DivineSolar (divinesolar):

Have a fantastic day~

OpenStudy (darthvader2900):

Have a good day, bye.

DivineSolar (divinesolar):

Be one with the force...Stay strong...Feel the power of the math side. ;P

OpenStudy (darthvader2900):

Haha^ Good one

OpenStudy (darthvader2900):

@DivineSolar The force will be with you always.

DivineSolar (divinesolar):

@DARTHVADER2900 Thanks ;)

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