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solve 3x+5y=47 and 2x+3y=29

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3x+5y=47
2x+3y=29

9x+15y = 141
10x+15y = 145
subtract to get
x = 4
so y=7

3x+2x+5y-3y=47+29 therefore 5x=76 x=76/5

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