document.write( "Question 538034: The difference between twice a number and 30 is 20. What is the number? \n" ); document.write( "
Algebra.Com's Answer #353079 by oberobic(2304)\"\" \"About 
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Twice a number minus the number + 30 = 20.
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\n" ); document.write( "2x - (x+30) = 20
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\n" ); document.write( "x = 50
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