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Explain how to get x=3 from the equation:
(5x  1)/2 + (3x  1)/4 = 9/2
 one year ago
 one year ago
Explain how to get x=3 from the equation: (5x  1)/2 + (3x  1)/4 = 9/2
 one year ago
 one year ago

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saifoo.khanBest ResponseYou've already chosen the best response.1
\[\frac{5x1}{2} + \frac{3x1}{4} = \frac92\]that?
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Ok, find the LCD of the left side. it will be 4. so we can write as, \[\frac{2(5x1) +(3x  1)}{4} = \frac92\]Agree?
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
Now try solving further..
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
Simplify the top?
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
\[(10x1) +(3x1)/4 =9/2\]
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
a mistake, it's 10x  2
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
oh yeah, that's what I meant haha
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
ok.. move forward..
 one year ago

saifoo.khanBest ResponseYou've already chosen the best response.1
good going.. now cross multiply.
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
dw:1335241220694:dw
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
Oh, okay. So then I add six to both sides?
 one year ago

MichaelaRoseBest ResponseYou've already chosen the best response.1
then I divide both sides by 14 and get x=2.78
 one year ago
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