7×+3y=15;12y-5x=39 solve the following equation by cramers method
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7x+3y = 15
-5x+12y=39
__________
2x+15y =54
___________
2x+ 15y - 54 =0
-5x+12y=39
__________
2x+15y =54
___________
2x+ 15y - 54 =0
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