document.write( "Question 551777: Solve the following system of equations using either the substitution or a
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\n" ); document.write( "2x-y=-2
\n" ); document.write( "3x + y=7
\n" ); document.write( "I have tried and tried on this one and can't figure it out. My book does not give me any help.
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Algebra.Com's Answer #359882 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
2x - y=-2
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\n" ); document.write( "---------- Add
\n" ); document.write( "5x = 5
\n" ); document.write( "x = 1
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\n" ); document.write( "y = 4\r
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