document.write( "Question 24238: simultaneous equation a. x + 3y = 5 B. 3x + 4y = 54 \n" ); document.write( "
Algebra.Com's Answer #13937 by elephantsize(7)\"\" \"About 
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x+3y=5.
\n" ); document.write( "So,\r
\n" ); document.write( "\n" ); document.write( "x=5-3y.\r
\n" ); document.write( "\n" ); document.write( "Now,\r
\n" ); document.write( "\n" ); document.write( "3x+4y=54.\r
\n" ); document.write( "\n" ); document.write( "So,\r
\n" ); document.write( "\n" ); document.write( "3(5-3y)+4y=54.
\n" ); document.write( "15-9y+4y=54.
\n" ); document.write( "15-5y=54.
\n" ); document.write( "15-54=5y.
\n" ); document.write( "5y=15-54.
\n" ); document.write( "5y= -39.
\n" ); document.write( "y=(-39/5) or -7.8\r
\n" ); document.write( "\n" ); document.write( "Now,\r
\n" ); document.write( "\n" ); document.write( "x=5-3y.
\n" ); document.write( "x=5- (3X-7.8)
\n" ); document.write( "x=5-(-23.4)
\n" ); document.write( "x=5+23.4
\n" ); document.write( "x=28.4
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