document.write( "Question 66336This question is from textbook An Incremental Development
\n" ); document.write( ": PLease help to solve\r
\n" ); document.write( "\n" ); document.write( "3/5x - 1/4y = 7\r
\n" ); document.write( "\n" ); document.write( "0.08x + 0.05y = 1.6
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Algebra.Com's Answer #47049 by checkley71(8403)\"\" \"About 
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3X/5-Y/4=7
\n" ); document.write( ".6X-.25Y=7
\n" ); document.write( ".08X+.05Y=1.6 MULTIPLY THIS EQUATION BY 5 & ADD
\n" ); document.write( ".4X+.25Y=8
\n" ); document.write( ".6X-.25Y=7
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\n" ); document.write( "X=15 SOLUTION NOW SUBSTITUTE 15 FOR X & SOLVE FOR Y
\n" ); document.write( ".6*15-.25Y=7
\n" ); document.write( "9-.25Y=7
\n" ); document.write( "-.25Y=7-9
\n" ); document.write( "-.25Y=-2
\n" ); document.write( "Y=-2/-.25
\n" ); document.write( "Y=8 SOLUTION
\n" ); document.write( "PROOF
\n" ); document.write( ".08*15+.05*8=1.6
\n" ); document.write( "1.2+.4=1.6
\n" ); document.write( "1.6=1.6
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