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5x+2y=1 3x-6y=15
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1)Multiply equation 1 by 3. 2) Add both equations. 3) Solve for x. 4) Once solved, then substitute the value of x in any of the equations and solve for y.
|dw:1337266905714:dw| Replace in " y = (1 - 5x ) / 2 |dw:1337267162232:dw| Therefore x=1 , y= -2
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