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Mathematics 7 Online
OpenStudy (pinksapphire):

Anyone need help in Algebra?

OpenStudy (pinksapphire):

Algebra 1

OpenStudy (anonymous):

I do, can you help plz?

OpenStudy (pinksapphire):

Sure.

OpenStudy (anonymous):

okay I'm just gonna post a screenshot if thats fine with you

OpenStudy (pinksapphire):

Okay, if I learned this anyway...

OpenStudy (anonymous):

sorry about the other windows

OpenStudy (pinksapphire):

What problem?

OpenStudy (anonymous):

23

OpenStudy (pinksapphire):

I didn't do geometry yet but do you look for a pattern?

OpenStudy (anonymous):

yeah

OpenStudy (pinksapphire):

I never learned this yet...

OpenStudy (pinksapphire):

I think I get it.

OpenStudy (anonymous):

oh okay

OpenStudy (pinksapphire):

40C=104C

OpenStudy (anonymous):

so thats the answer..?

OpenStudy (pinksapphire):

Yes, I'm pretty sure...it's similar to the how you find the rate of change.

OpenStudy (anonymous):

oh okay thank you so much.

OpenStudy (anonymous):

one more thing. would you mind explaining how you got that as your answer?

OpenStudy (pinksapphire):

Okay...

OpenStudy (pinksapphire):

10=50 20=68 30=86 40=?

OpenStudy (pinksapphire):

Since the number goes up 10/16 you can add 16 and 86 to get 104.

OpenStudy (pinksapphire):

Does this make any sense?

OpenStudy (anonymous):

yes

OpenStudy (pinksapphire):

It was a little bit hard to explain...

OpenStudy (anonymous):

yeah, but i understand it, thanks

OpenStudy (pinksapphire):

Okay :)

OpenStudy (anonymous):

Me!? Lol, Please

OpenStudy (pinksapphire):

What is it?

OpenStudy (anonymous):

How many solutions does the system of equations have? 2y=-2x+14 x+y=6

OpenStudy (pinksapphire):

This has no solutions.

OpenStudy (anonymous):

Ohh ok, but how do you do it like step by step? If you can/wanna show me..please ?

OpenStudy (pinksapphire):

x+y=6 Take one of the equations and subtract x or y. -x -x y=6-x Now you have y by itself 2(6-x)=-2x+14 Plug in 6-x into y of the other equation that you have not used. 12-2x=-2x+14 Then distribute. 12-2x=-2x+14 Now subtract 12 from both sides. -12 -12 -2x=-2x+2 -2x=-2x+2 Add 2x to both sides and you are left with 0x=2. +2x +2x If you ever have 0 like 0x or 0y then that means that there are no solutions.

OpenStudy (pinksapphire):

Does this help?

OpenStudy (anonymous):

Yess, Thank-you alott !

OpenStudy (pinksapphire):

What do you need help with?

OpenStudy (anonymous):

Have you done Algebra 2 yet?

OpenStudy (pinksapphire):

No, not yet...

OpenStudy (anonymous):

I REALLY need help.

OpenStudy (anonymous):

I just posted my first question

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