document.write( "Question 914509: pls pls help me...i really need it. t.y
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document.write( "Three times the difference of 18 subtracted from a certain number is 5 less than the number increased by 15. Find the number \n" );
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Algebra.Com's Answer #555175 by rothauserc(4718) You can put this solution on YOUR website! let x be the certain number, then \n" ); document.write( "3*(x - 18) = (x + 15) - 5 \n" ); document.write( "3x - 54 = x + 15 - 5 \n" ); document.write( "subtract x from both sides of = \n" ); document.write( "2x - 54 = x + 10 \n" ); document.write( "add 54 to both sides of = \n" ); document.write( "2x = 64 \n" ); document.write( "divide both sides of = by 2 \n" ); document.write( "x = 32 \n" ); document.write( "the certain number is 32 \n" ); document.write( " \n" ); document.write( " |