document.write( "Question 332786: Multiply both side of the equation by a common denominator to eliminate the
\n" ); document.write( "fractions. Then solve the system.\r
\n" ); document.write( "\n" ); document.write( "x/5+3y=31
\n" ); document.write( "2x-y/5=8\r
\n" ); document.write( "\n" ); document.write( "I have been struggling to try to solve this for over 4 days now and have had no
\n" ); document.write( "luck. We are given the final answer which is (5,10) but I can not figurge out
\n" ); document.write( "how they got to that. I need to show the work and solve the problem. Can
\n" ); document.write( "someone please help me.
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Algebra.Com's Answer #238440 by Earlsdon(6294)\"\" \"About 
You can put this solution on YOUR website!
Solve:
\n" ); document.write( "1) \"x%2F5+%2B+3y+=+31\"
\n" ); document.write( "2) \"2x-y%2F5+=+8\" First multiply both sides of both equations by 5 to clear the fractons.
\n" ); document.write( "1a) \"5%28x%2F5+%2B+3y%29+=+5%2831%29\"
\n" ); document.write( "1b) \"x%2B15y+=+155\"
\n" ); document.write( "2a) \"5%282x-y%2F5%29+=+5%288%29\"
\n" ); document.write( "2b) \"10x-y+=+40\"
\n" ); document.write( "Now you have a choice here. You want to get both equations to have the number of either the x-variable or the y-variable so that you can subtract (or add) the two equation to eliminate that variable. I chose to multiply equation 1b) by 10 so that I can eliminate the x-variable by subtracting.
\n" ); document.write( "1c) \"10x%2B150y+=+1550\"
\n" ); document.write( "2b) \"10x-y+=+40\" Subtract equation 2b) from equation 1c) which eliminates the x-variable.
\n" ); document.write( "3) \"151y+=+1510\" Now divide both sides by 151.
\n" ); document.write( "3a) \"highlight%28y+=+10%29\" Now substitute this into equation 1) or 2) to solve for x. I chose equation 2).
\n" ); document.write( "\"2x-y%2F5+=+8\" Substitute y = 10.
\n" ); document.write( "\"2x-10%2F5+=+8\" Simplify.
\n" ); document.write( "\"2x-2+=+8\" Add 2 to both sides.
\n" ); document.write( "\"2x+=+10\" Divide both sides by 2.
\n" ); document.write( "\"highlight%28x+=+5%29\"
\n" ); document.write( "The answer is: (5, 10)
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