document.write( "Question 1209890: Find all real numbers x that satisfy the equation
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document.write( "|x + 4| + |x - 7| = 3x - 1 + |3x - 7|.
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document.write( "If you find more than one such value of x, list all of your solutions separated by commas. If you only find one solution, then just enter that solution.
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Algebra.Com's Answer #851002 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! I did this FAST and did not check carefully. \n" ); document.write( "Look at critical values. \n" ); document.write( "neg infinity to -4 \n" ); document.write( "-4 to 7/3 \n" ); document.write( "7/3 yo 7 \n" ); document.write( "7 to pos infinity\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x=-1/2, and or x=-5/2. \n" ); document.write( "The other two intervals seem to have no solutions. \n" ); document.write( " |