document.write( "Question 974171: Without solving the equation prove that x=-2. Equation 3(x-1)+2=5-x
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Algebra.Com's Answer #596150 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Without solving the equation prove that x=-2. Equation 3(x-1)+2=5-x \n" ); document.write( "========= \n" ); document.write( "Sub -2 for x \n" ); document.write( "3(-2-1) + 2 = 5 - (-2) \n" ); document.write( "3*-3 + 2 = 7 \n" ); document.write( "-7 = 7 \n" ); document.write( "x <> -2 \n" ); document.write( "===================== \n" ); document.write( "3(x-1)+2=5-x \n" ); document.write( "3x-3 + 2 = 5-x \n" ); document.write( "3x-1 = 5-x \n" ); document.write( "4x = 6 \n" ); document.write( "x = 3/2 \n" ); document.write( " |