document.write( "Question 578234: Please help me solve this linear system using the elimination method: 2x-3y=2
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document.write( " -5x+2y=-16\r
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document.write( "My work: 2x-3y=2 ..... 5(2x-3y=2)= 10x-15y=10
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document.write( "........-5x+2y=-16 ... 2(-5x+2y=-16)=-10x+4y=-32
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document.write( "...........................................-11y=-42...-11/-11= y...-42/-11=3/4
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document.write( "Answer I got: y=3/4 One Solution
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document.write( "I have tried multiplying it like this: 5(2x-3y=2) and 2(-5x+2y=-16) to get rid of x, then I subtracted: -15y=10 and 4y=-32 and got -11y=-42, and to get y by its self, i divided -11 by -42 and it left me with y=3/4 and it's a one solution\r
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document.write( "But I am not sure if this is correct.
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Algebra.Com's Answer #370586 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! It is not correct. \n" ); document.write( "x=4 y=2 \n" ); document.write( "You said: \n" ); document.write( "2x-3y=2 \n" ); document.write( "5(2x-3y=2)= 10x-15y=10 \n" ); document.write( "5x+2y=-16 2(-5x+2y=-16)=-10x+4y=-32\r \n" ); document.write( "\n" ); document.write( "add the two \n" ); document.write( "-11y=-22 not -42 \n" ); document.write( "since 10-32=-22 \n" ); document.write( "y=2 \n" ); document.write( "2x-3*2=2 \n" ); document.write( "2x-6=2 \n" ); document.write( "2x=8 \n" ); document.write( "x=4 \n" ); document.write( " \n" ); document.write( " |