document.write( "Question 340394: 4. Mary is reviewing her algebra quiz. She has determined that one of her solutions is incorrect. Which one is it?\r
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document.write( "A. 2x + 5 (x-1) = 9, x = 2
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document.write( "B. p - 3(p-5) = 10, p = 2.5
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document.write( "C. 4 y + 3 y = 28, y = 4
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document.write( "D. 5 w + 6 w - 3w = 64, w = 8
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document.write( "E. t - 2t - 3t = 32, t = 8\r
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document.write( "How can i solve this.? \n" );
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Algebra.Com's Answer #243896 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! You can solve this simply by substituting the value of the variable in the given equation. \n" ); document.write( "A. 2x+5(x-1) = 9 Substitute x=2. \n" ); document.write( "2(2)+5(2-1) = 9 Simplify the left side. \n" ); document.write( "4+5(1) = 9 \n" ); document.write( "9 = 9 This one is correct. \n" ); document.write( "You can do the others the same way. \n" ); document.write( "Good luck! \n" ); document.write( " |