Question 826320
Solve each system of equations:
2x= y+12
3x+2y= -3

What I did: 
(2x=y+12)2
3x=-2y-3

 4x=2y+28
3x=-2y-3
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What I would do:
2x= y+12 --> 2x - y = 12
3x+2y= -3
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Put in standard form
2x- y = 12
3x +2y= -3
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Multiply eqn 1 by 2
4x- 2y = 24
3x +2y= -3
-------------------- Add
7x = 21
x = 3
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Sub for x in any eqn and find y