document.write( "Question 574978: How do I solve the system of equations by graphing: y=x-5 and -2x +y=-10 \n" ); document.write( "
Algebra.Com's Answer #369342 by Alan3354(69443)\"\" \"About 
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How do I solve the system of equations by graphing: y=x-5 and -2x +y=-10
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\n" ); document.write( "You graph the 2 equations.
\n" ); document.write( "The intersection is at the values that fit both equations.
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\n" ); document.write( "Both graphs are straight lines, so 2 points are needed.
\n" ); document.write( "Pick values for x or y, and find the other variable.
\n" ); document.write( "Plot 2 points.
\n" ); document.write( "Draw a line thru them.
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