document.write( "Question 102132: we are studying this now so i figured this questions corresponds to it. here it is
\n" ); document.write( "1. pick any number
\n" ); document.write( "2. double it
\n" ); document.write( "3. add 15
\n" ); document.write( "4. add original number
\n" ); document.write( "5. divid by 3
\n" ); document.write( "6. subtract original number
\n" ); document.write( "7. your answer is 5 why is that\r
\n" ); document.write( "\n" ); document.write( "the teacher wanted the answer inn an algebriac expression this is what i came up with. \r
\n" ); document.write( "\n" ); document.write( "x(2)+15+x
\n" ); document.write( "_________ - x =5
\n" ); document.write( " 3\r
\n" ); document.write( "\n" ); document.write( "3x+15 - x =5
\n" ); document.write( "-----
\n" ); document.write( " 3\r
\n" ); document.write( "\n" ); document.write( "x+5-x=5
\n" ); document.write( "5=5\r
\n" ); document.write( "\n" ); document.write( "this is why i did it. i wrote the problem out step by step then once i got the equation, i solved the problem step by step. when i say step by step i did #1 first, #2 second and so on. then i combined liked terms ( the x's) and they cancelled out which makes 5=5 a true statement.\r
\n" ); document.write( "\n" ); document.write( "but my question is, is this how you do this problem or did i do something wrong. if i did, what was it. please help. \n" ); document.write( "

Algebra.Com's Answer #74205 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
No, you did it exactly right. You proved an identity which means that it holds for any x. So no matter what x you start with the answer will always be 5. Keep up the good work. \n" ); document.write( "

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