document.write( "Question 1002663: 1. 2(2x)+2x=120 solve for x
\n" ); document.write( "2. 4x*x=576 solve for x
\n" ); document.write( "3. -5(x-8)=x+28 solve for x
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Algebra.Com's Answer #619729 by Cromlix(4381)\"\" \"About 
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Hi there,
\n" ); document.write( "1) 2(2x) + 2x = 120
\n" ); document.write( "4x + 2x = 120
\n" ); document.write( "x = 120/6
\n" ); document.write( "x = 20
\n" ); document.write( "........
\n" ); document.write( "2) 4x*x = 576
\n" ); document.write( "4x^2 = 576
\n" ); document.write( "x^2 = 144
\n" ); document.write( "x = square root of 144
\n" ); document.write( "x = +/-12
\n" ); document.write( ".........
\n" ); document.write( "3) -5(x - 8) = x + 28
\n" ); document.write( "-5x + 40 = x + 28
\n" ); document.write( "Collect like terms
\n" ); document.write( "-5x - x = 28 - 40
\n" ); document.write( "-6x = -12
\n" ); document.write( "x = -12/-6
\n" ); document.write( "x = 2
\n" ); document.write( "........
\n" ); document.write( "Hope this helps :-)
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