SOLUTION: i need to solve this question algebracially 3/4x-2/5y=2 1/2x-3/5y=-2

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Question 152103: i need to solve this question algebracially
3/4x-2/5y=2
1/2x-3/5y=-2

Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
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I'm not a big fan of fractions so I usually multiply both equations to get rid of denominators.
Multiply eq. 1 by 20 and eq. 2 by 10.
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Now use the elimination method to solve.
If I multiply eq. 2 by (-3) and add to eq. 1, I can get rid of x,




Using eq. 1,
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Check the answer with the original equations.
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True.
I'll leave it to you to verify that eq. 2 works also.

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