document.write( "Question 459739: I am so lost, I understand the concept but not when fractions and decimals are involved please help!
\n" ); document.write( "Solve by elimination method, type the solution as an ordered pair.
\n" ); document.write( "1) 5x + 5y= -13
\n" ); document.write( "7x -2y= 11\r
\n" ); document.write( "\n" ); document.write( "2)0.3x-0.2y=4
\n" ); document.write( "0.2x+0.3y=5/25\r
\n" ); document.write( "\n" ); document.write( "3)8x -9y=24.5
\n" ); document.write( "7y-2x= -8.5\r
\n" ); document.write( "\n" ); document.write( "4)0.05x+0.25y=44
\n" ); document.write( "0.15x+0.05y=48 \n" ); document.write( "
Algebra.Com's Answer #315275 by Alan3354(69443)\"\" \"About 
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I am so lost, I understand the concept but not when fractions and decimals are involved please help!
\n" ); document.write( "Solve by elimination method, type the solution as an ordered pair.
\n" ); document.write( "1) 5x + 5y= -13
\n" ); document.write( "7x -2y= 11\r
\n" ); document.write( "\n" ); document.write( "2)0.3x-0.2y=4
\n" ); document.write( "0.2x+0.3y=5/25
\n" ); document.write( "Step 1, change to integers.
\n" ); document.write( "0.3x-0.2y=4 x10 --> 3x - 2y = 40
\n" ); document.write( "0.2x+0.3y=5/25 x100 --> 20x + 30y = 25
\n" ); document.write( "----------------\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "3)8x -9y=24.5 x2 --> 16x - 18y = 49
\n" ); document.write( "7y-2x= -8.5 x2 --> -4x + 14y = -17
\n" ); document.write( "--------------------\r
\n" ); document.write( "\n" ); document.write( "4)0.05x+0.25y=44 x100 (or x20)
\n" ); document.write( "0.15x+0.05y=48 x100 (or x20)
\n" ); document.write( " \n" ); document.write( "
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