# SOLUTION: solve the system by elimination 5x+5y= -13 7x-3y= 11 use integers or fractions

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 Question 220843: solve the system by elimination 5x+5y= -13 7x-3y= 11 use integers or fractionsAnswer by checkley77(12569)   (Show Source): You can put this solution on YOUR website!5x+5y= -13 MULTIPLY BY 3 7x-3y= 11 MULTIPLY BY 5 & ADD. 15X+15Y=-39 35X-15Y=55 -------------------- 50X=16 X=16/50 X=8/25 ANS. 5*8/25+5Y=-13 40/25+5Y=-13 5Y=-13-8/5 5Y=(-13*5-8)/5 5Y=(-65-8)/5 5Y=-73/5 Y=(-73/5)/5 Y=-73/5*1/5 Y=-73/25 ANS. PROOF: 7(8/25)-3(-73/25)=11 56/25+219/25=11 275/25=11 11=11