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PrinceCloud
Group Title
solve the following linear system
x2/3 + y+1/5 = 2
x+2/7  y+5/7 = 2
 one year ago
 one year ago
PrinceCloud Group Title
solve the following linear system x2/3 + y+1/5 = 2 x+2/7  y+5/7 = 2
 one year ago
 one year ago

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PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
\[\frac{ x2 }{ 3 } + \frac{ y+1 }{ 5 } = 2\] \[\frac{ x+2 }{ 7 }  \frac{ y+5 }{ 3 } = 2\]
 one year ago

mathstudent55 Group TitleBest ResponseYou've already chosen the best response.0
Multiply the first equation by 15 and the second eqaution by 21 to get rid of denominators.
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
first get rid of the fractions by multiplying each equation by the LCM of the 2 denominators which is 15 and 21 as mathstudent55 stated
 one year ago

PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
then what
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
then solve for x and y by the elimination or substitution method
 one year ago

PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
what is the equation then?
 one year ago

PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
show me the steps please
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
ok i'll convert the first one for you dw:1359322885676:dw
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
now simplify it further: 5x  10 + 3y + 3 = 30 5x + 3y = 30 + 10  3 5x + 3y = 37
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
now follow the same procedure with the second equation
 one year ago

PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
k thanks
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
 you multiply through by 21 in this case
 one year ago

PrinceCloud Group TitleBest ResponseYou've already chosen the best response.0
yes i know thanks alot
 one year ago

cwrw238 Group TitleBest ResponseYou've already chosen the best response.1
you r welcome
 one year ago
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