document.write( "Question 512184: Solve the following system by substitution \r
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document.write( "y=2x+3
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document.write( "5x-2y+ -8\r
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Algebra.Com's Answer #342576 by 10301650(32)![]() ![]() You can put this solution on YOUR website! y=2x+3 \n" ); document.write( "5x-2y -8 \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "---: use the second given to find the answer for x \n" ); document.write( " 5x-2y-8 \n" ); document.write( "---: then substitute the variable y into 2x+3 (the 1st given) \n" ); document.write( "5x-2(2x+3)-8=0 \n" ); document.write( "5x-4x+6-8=0 \n" ); document.write( "x-2=0 \n" ); document.write( "x=2 (ANSWER) \n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( "---: now lets solve for the y. use the 1st the 1st given \n" ); document.write( ". \n" ); document.write( "y=2x+3 \n" ); document.write( "y=2(2)+3 \n" ); document.write( "y=4+3 \n" ); document.write( "y=7 (ANSWER) \n" ); document.write( " \n" ); document.write( " |