anonymous
  • anonymous
Solve for x: 7 over 8 minus 1 over x equals 3 over 4. x = 1 x = 2 x = 4 x = 8
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\frac{ 7 }{ 8 } - \frac{ 1 }{ x } = \frac{ 3 }{ 4 }\]
anonymous
  • anonymous
Do the follow 7/8-3/4=1/x 7-6/8=1/x 1/8=1/x Now you can try to finish;)
anonymous
  • anonymous
so we have \[\frac{ 1 }{ 8 } = \frac{ 1 }{ x }\] just to make sure

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anonymous
  • anonymous
x = 1?
anonymous
  • anonymous
i mean 8
anonymous
  • anonymous
Sure
anonymous
  • anonymous
thnx i have 2 more can you help with?
anonymous
  • anonymous
Sure
anonymous
  • anonymous
post it here or in a new one?
anonymous
  • anonymous
Here
anonymous
  • anonymous
Solve for x: 2 over quantity x plus 2 plus 1 over 5 equals 6 over quantity x plus 5. x = 0 x = –13 x = 13 x = 0 and x = 13
anonymous
  • anonymous
\[\frac{ 2 }{ x + 2 } + \frac{ 1 }{ 5 } = \frac{ 6 }{ x + 5 }\]
anonymous
  • anonymous
Use minimum multiple common (5.2)+(x+2)/5x+10= 6/x+5 10+x+2/5x+10=6/x+5 12+x/5x+10=6/x+5 (12+x).(x+5)=6.(5x+10) Now you can try to solve the rest
anonymous
  • anonymous
im stuck at 62 + x^2 = 25x
anonymous
  • anonymous
should i subtract x^2 from both sides
anonymous
  • anonymous
No, now you have to use baskara
anonymous
  • anonymous
idk how to do that
anonymous
  • anonymous
Look you made a mistake somewhere 12x+60+x^2+5x=30x+60 17x+60+x^2=30x+60 X^2+17x=30x X^2-13x=0 So X(x-13)=0 X=0 Or X=13
anonymous
  • anonymous
D is right
anonymous
  • anonymous
ohh okay i see
anonymous
  • anonymous
can you help me with 1 more>?
anonymous
  • anonymous
Sure :)
anonymous
  • anonymous
Solve for x: 3 over 3 x plus 1 over quantity x plus 4 equals 10 over 7x . x = –3 x = 3 x = –3 and x = 3 No Solution
anonymous
  • anonymous
\[\frac{ 3 }{ 3x } + \frac{ 1 }{ x + 4 } = \frac{ 10 }{ 7x }\]
anonymous
  • anonymous
1/x+4=10/7x-3/3x 1/x+4=10/7x-1/x 1/x+4=10-7/x 1/x+4=3x Try to finish now
anonymous
  • anonymous
give me 1 sec plz
anonymous
  • anonymous
1/x+4=3/x Sorry I forgot the slash
anonymous
  • anonymous
is it -3?
anonymous
  • anonymous
oh ok let me try again
anonymous
  • anonymous
idk what the answer is
anonymous
  • anonymous
X=3x+12 -2x=12 X=-6
anonymous
  • anonymous
but that not one of my answer choices
anonymous
  • anonymous
x = –3 x = 3 x = –3 and x = 3 No Solution
anonymous
  • anonymous
My gosh I've made a mistake 1/x+4=3/7x 7x=3x+12 4x=12 X=3 Sorry about that
anonymous
  • anonymous
np thnx

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