document.write( "Question 421529: solve by the elimination method 7x+5y=7 4x-5y=-51 \n" ); document.write( "

Algebra.Com's Answer #294362 by mananth(16946) $\"\"$ $\"About$

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7x+5y=7 .............1
\n" ); document.write( "4x-5y=-51.............2
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\n" ); document.write( "Add the two equations
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\n" ); document.write( "11x+=-44
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\n" ); document.write( "/11
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\n" ); document.write( "x=-4
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\n" ); document.write( "plug value of x In (1)
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\n" ); document.write( "7x+5y=7
\n" ); document.write( "-28+5y= 7
\n" ); document.write( "5y=7+28
\n" ); document.write( "5y=35
\n" ); document.write( "y=7
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