document.write( "Question 573990: solve using the substitution method \r
\n" ); document.write( "\n" ); document.write( "9x-6y=-54\r
\n" ); document.write( "\n" ); document.write( "7x+53=y\r
\n" ); document.write( "\n" ); document.write( "I can not figure this method out please help
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Algebra.Com's Answer #368935 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
solve using the substitution method
\n" ); document.write( "9x-6y=-54
\n" ); document.write( "7x+53=y
\n" ); document.write( "------
\n" ); document.write( "Substitute for \"y\" and solve for \"x\":
\n" ); document.write( "9x - 6(7x+53) = -54
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\n" ); document.write( "9x -42x - 318 = -54
\n" ); document.write( "----
\n" ); document.write( "-33x = 264
\n" ); document.write( "----
\n" ); document.write( "x = -8
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\n" ); document.write( "Solve for \"y\":
\n" ); document.write( "y = 7x+53
\n" ); document.write( "y = 4(-8)+53
\n" ); document.write( "---
\n" ); document.write( "y = -32 + 53
\n" ); document.write( "y = 21
\n" ); document.write( "---------
\n" ); document.write( "Solution: (-8,21)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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