document.write( "Question 693009:  I have the problem that says.  A system of equations is shown below:
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document.write( "Y=7x-5
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document.write( "Y=3^x\r
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document.write( "Which is a y-value of a solution to the system
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document.write( "a: 2
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document.write( "B:3
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document.write( "C:9
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document.write( "D:16
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document.write( "How would I solve that?????? \n" );
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| Algebra.Com's Answer #427207 by jim_thompson5910(35256)      You can put this solution on YOUR website! There is no algebraic way to solve this, but you can plug in each answer choice for x. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Notice that when x = 2 (choice A), y = 3^x becomes y = 3^2 = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Also, when x = 2, y = 7x - 5 becomes y = 7(2) - 5 = 14-5 = 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So when x = 2, y = 9 for both equations. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So the answer is choice C) 9 because they want the y value of the solution. \n" ); document.write( " |