document.write( "Question 5268: 
I need help with some Pre-Algebra Eqautions\r
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document.write( "1. 3x - 5 - 2x = 8 - 9\r
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document.write( "2. 8x + 7 - 7x + 2 = -3        \r
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document.write( "3. 3x + 4x + 9 = 2(x - 3)\r
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document.write( "PLEASE, PLEASE, PLEASE HELP1 \n" );
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Algebra.Com's Answer #2679 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
 
1. 3x - 5 - 2x = 8 - 9 
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document.write( "             3x - 5 - 2x = 8 - 9 
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document.write( "Combine the 3x and the -2x getting x
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document.write( "                   x - 5 = 8 - 9
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document.write( "Combine the 8 and -9, getting -1
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document.write( "                   x - 5 = -1
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document.write( "Add 5 to both sides
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document.write( "               x - 5 + 5 = -1 + 5
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document.write( "Combine the -5 and +5 getting 0
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document.write( "                   x + 0 = -1 + 5
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document.write( "Combine the x and the 0, getting just x
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document.write( "                       x = -1 + 5
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document.write( "Combine the -1 and the 5, getting 4
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document.write( "                       x = 4
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document.write( "-------------------------------------------
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document.write( "2. 8x + 7 - 7x + 2 = -3
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document.write( "         8x + 7 - 7x + 2 = -3 
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document.write( "Combine the 8x and the -7x, getting 1x, or x
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document.write( "               x + 7 + 2 = -3
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document.write( "Combine the +7 and the +2, getting +9
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document.write( "                   x + 9 = -3
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document.write( "Subtract 9 from both sides
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document.write( "               x + 9 - 9 = -3 - 9
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document.write( "Combine the 9 and the -9, getting 0
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document.write( "                   x + 0 = -3 - 9
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document.write( "Combine the x and the 0, getting x
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document.write( "                       x = -3 - 9
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document.write( "Combine the -3 and the -9, getting -12
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document.write( "                       x = -1
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document.write( "3. 3x + 4x + 9 = 2(x - 3) 
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document.write( "             3x + 4x + 9 = 2(x - 3)
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document.write( "Combine the 3x and the 4x, getting 7x
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document.write( "                  7x + 9 = 2(x - 3)
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document.write( "Use the distributive principle to remove the parentheses
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document.write( "on the right, that is, multiply 2 by each of the terms
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document.write( "x and -3 inside the parentheses
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document.write( "                  7x + 9 = 2x - 6
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document.write( "Subtract 9 from both sides:
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document.write( "              7x + 9 - 9 = 2x - 6 - 9
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document.write( "Combine the + 9 and the -9, getting 0
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document.write( "                  7x + 0 = 2x - 6 - 9
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document.write( "Combine the 7x and the 0, getting 7x
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document.write( "                      7x = 2x - 6 - 9
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document.write( "Combine the -6 and the -9, getting -15
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document.write( "                      7x = 2x - 15
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document.write( "Subtract 2x from both sides:
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document.write( "                 7x - 2x = 2x - 15 - 2x
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document.write( "Combine the 7x and the -2x, getting 5x
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document.write( "                      5x = 2x - 15 - 2x
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document.write( "Combine the 2x and the -2x, getting 0
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document.write( "                      5x = 0 - 15
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document.write( "Combine the 0 and the -15, getting -15
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document.write( "                      5x = -15
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document.write( "Divide both sides by the coefficient of x, which is 5,
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document.write( "getting x on the left side and -3 on the right side
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document.write( "                       x = -3
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document.write( "Edwin    \n" );
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