document.write( "Question 170305This question is from textbook Intro Algebra
\n" ); document.write( ": This problem requires us to use the substitution method, or the elimination method. Which do you think is best and if you could explain the steps.\r
\n" ); document.write( "\n" ); document.write( "y = 2/5x - 7
\n" ); document.write( "y = 2/5x + 4
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Algebra.Com's Answer #125753 by checkley77(12844)\"\" \"About 
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y=2/5x-7
\n" ); document.write( "y=2/5x+4 USING SUBTRACTION.
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\n" ); document.write( "0=0-7+4
\n" ); document.write( "0=-3 NO UNIQUE SOLUTION FOR X OR Y.
\n" ); document.write( "IF PLOTTED THESE 2 LINES WOULD BE PARALLEL.
\n" ); document.write( "\"+graph%28+300%2C+200%2C+-26%2C+25%2C+-20%2C+20%2C+2x%2F5+-7%2C+2x%2F5+%2B4%29+\" (graph 300x200 pixels, x from -26 to 25, y from -20 to 20, of TWO functions 2x/5 -7 and 2x/5 +4). \r
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