document.write( "Question 573990: solve using the substitution method \r
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document.write( "9x-6y=-54\r
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document.write( "7x+53=y\r
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document.write( "I can not figure this method out please help \n" );
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Algebra.Com's Answer #368935 by stanbon(75887)![]() ![]() ![]() 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 \n" ); document.write( "----- \n" ); document.write( "9x -42x - 318 = -54 \n" ); document.write( "---- \n" ); document.write( "-33x = 264 \n" ); document.write( "---- \n" ); document.write( "x = -8 \n" ); document.write( "=============== \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) \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |