SOLUTION: i need to use substitution method or elmination here. i am just not sure if i find the LCD and change all the fractions... 3x/8-3y/5=33/80 4x/7+4y/5=37/35

Algebra ->  Expressions-with-variables -> SOLUTION: i need to use substitution method or elmination here. i am just not sure if i find the LCD and change all the fractions... 3x/8-3y/5=33/80 4x/7+4y/5=37/35      Log On


   



Question 666096: i need to use substitution method or elmination here. i am just not sure if i find the LCD and change all the fractions...
3x/8-3y/5=33/80
4x/7+4y/5=37/35

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
i need to use substitution method or elmination here. i am just not sure if i find the LCD and change all the fractions...
3x/8-3y/5=33/80
4x/7+4y/5=37/35
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I would eliminate fractions.
Multiply eqn 1 by 80 and the 2nd by 35.