document.write( "Question 114983: x=3y+7
\n" ); document.write( "x+y=-5\r
\n" ); document.write( "\n" ); document.write( "Could someone show me step by step. I am not clear on how to do this yet.
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Algebra.Com's Answer #83674 by elima(1433)\"\" \"About 
You can put this solution on YOUR website!
Since you do not give any directions of how the teacher wants it solved, I will go ahead and solve it by substitution;
\n" ); document.write( "x=3y+7
\n" ); document.write( "x+y=-5
\n" ); document.write( "============
\n" ); document.write( "Since we already have one of the equations solved for x, lets substitute x in the other equation with that;
\n" ); document.write( "(3y+7)+y=-5
\n" ); document.write( "4y+7=-5
\n" ); document.write( "4y=-12
\n" ); document.write( "y=-3
\n" ); document.write( "-------------------
\n" ); document.write( "now we have what y =, so we can use that in either equation and solve for x;
\n" ); document.write( "x=3(-3)+7
\n" ); document.write( "x=-9+7
\n" ); document.write( "x=-2
\n" ); document.write( "-------------------
\n" ); document.write( "Let me know if you need it solved another way
\n" ); document.write( ":)
\n" ); document.write( "
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