document.write( "Question 754709: Add the two equations 4x+y=7 and x-y=8 \n" ); document.write( "
Algebra.Com's Answer #459268 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
This is not tricky.
\n" ); document.write( "4x+y+x-y=7+8
\n" ); document.write( "and you then simplify.
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