anonymous
  • anonymous
I really need some help, I have a headake and forgot how to solve for X please help me. :((
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Do you have a specific problem you need to solve? I can go step by step and help you through it.
anonymous
  • anonymous
4x-31 on one side and 2x+19 on the other solve for x
myininaya
  • myininaya
So we have this: 4x-31 = 2x+19 Get your terms that have factor x on one side All other terms, your constant terms, on the other side

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ParthKohli
  • ParthKohli
Let's make up an equation and I'd solve it for you:\[\begin{aligned}6x + 3&=9x - 1\\6x&=9x - 1 - 3\\ 6x&=9x-4\\6x - 9x&=-4\\ -3x&=-4\\ x &={4 \over 3} \end{aligned}\]
anonymous
  • anonymous
25?
myininaya
  • myininaya
How about we have some interaction which includes the user asking here to solve for x?
myininaya
  • myininaya
So we have 4x-31=2x+19 Do you know how to put your x terms together and your constant terms together? You need to do this by adding/subtracting terms from both sides.
anonymous
  • anonymous
Okay thanks, I'll post another prolbem, it's really complex and I haven't seen it before
anonymous
  • anonymous
|dw:1350653573213:dw|
anonymous
  • anonymous
If If m ∠ 3 = 104˚, what is m ∠ 8?
ParthKohli
  • ParthKohli
Hint: use corresponding angles identity, then find a linear pair.
anonymous
  • anonymous
< 2, 3, 6,7 are the same?
ParthKohli
  • ParthKohli
No... first use \(\angle 3 = \angle 7\).
anonymous
  • anonymous
Sorry forgot how to do this >.<
ParthKohli
  • ParthKohli
Then notice that you have a linear pair, so \(\angle 7\) and \(\angle 8\) are supplementary.
anonymous
  • anonymous
So they all equal 104?
ParthKohli
  • ParthKohli
Hmm, do you know what these are? 1) Corresponding angles 2) Alternate interior angles 3) Linear pair 4) Opposite angles
anonymous
  • anonymous
Yeah I'm a sinor, but I forgot it's been like a year since I was in math
anonymous
  • anonymous
|dw:1350654095713:dw|
anonymous
  • anonymous
Ohhhh
anonymous
  • anonymous
Um. So it's not 104
anonymous
  • anonymous
it's 94?
anonymous
  • anonymous
>.<
anonymous
  • anonymous
|dw:1350654253156:dw|
anonymous
  • anonymous
<2 is going to measure the same as <8
anonymous
  • anonymous
half of 180 is 90, but that's not an answer choise
anonymous
  • anonymous
Yes. <2 is the same as 8. They give you angle 3, 104 degrees. What other angles are the same as angle 3?
anonymous
  • anonymous
*the same as <8
anonymous
  • anonymous
<2
ParthKohli
  • ParthKohli
<3
anonymous
  • anonymous
No, angle 2 and 3 are supplementary. Added up they equal 180 degrees. |dw:1350654491698:dw|
anonymous
  • anonymous
so they are all 104
anonymous
  • anonymous
No, angles 3, 1, 5, 7 are all corresponding. So if angle 3 is 104 degrees, then so are 1,5,7. Do you understand? Angles 2, 4, 6, 8 are also corresponding to each other.
anonymous
  • anonymous
Yeah I understand but how to I find out how much the other angles are
anonymous
  • anonymous
Supplementary angles form 180 degrees. A straight equals 180 degrees. |dw:1350654810017:dw|
anonymous
  • anonymous
So 104 + ? = 180
anonymous
  • anonymous
I got my test wrong anyways. Sorry, thanks for the help
anonymous
  • anonymous
Sorry to hear that. ):

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