document.write( "Question 631430: Please help! Could you tell me if I made a mistake in this problem and if I did, where?
\n" ); document.write( "3x + y = 6
\n" ); document.write( "x − 2y = 2\r
\n" ); document.write( "\n" ); document.write( "y = 6 − 3x
\n" ); document.write( "x − 2(6 − 3x) = 2
\n" ); document.write( "x − 12 − 6x = 2
\n" ); document.write( "−5x − 12 = 2
\n" ); document.write( " +12 +12\r
\n" ); document.write( "\n" ); document.write( " x = −2.8\r
\n" ); document.write( "\n" ); document.write( "3(−2.8) + y = 6
\n" ); document.write( " −8.4 + y = 6
\n" ); document.write( "+8.4 +8.4
\n" ); document.write( " y = 14.4 \n" ); document.write( "

Algebra.Com's Answer #397561 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "3x + y = 6  ⇒   y = 6 − 3x   |yes, good work
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document.write( " x − 2y = 2 
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document.write( "x - 2(6 - 3x) = 2    | Careful...  = + 6x
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document.write( " x -12 + 6x = 2 
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document.write( "   7x = 14
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document.write( "    x = 2   and y = 0   
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