document.write( "Question 927526: Can i please have help with: 1/3x + y = 5/3 and x^2 + y^2 = 25 I need to solve the system by way of substitution. \n" ); document.write( "

Algebra.Com's Answer #563018 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"y=-x%2F3%2B5%2F3\"$
\n" ); document.write( "-
\n" ); document.write( " $\"x%5E2%2B%28-x%2F3%29%2B5%2F3%29%5E2=25\"$
\n" ); document.write( " $\"x%5E2%2Bx%5E2%2F9-x%2A5%2F3-x%2A5%2F3%2B25%2F9=25\"$
\n" ); document.write( " $\"x%5E2%2Bx%5E2%2F9-10x%2F3=25-25%2F9\"$
\n" ); document.write( " $\"9x%5E2%2Bx%5E2-30x=25%2A9-25\"$
\n" ); document.write( " $\"10x%5E2-30x=200\"$
\n" ); document.write( " $\"x%5E2-3x=20\"$
\n" ); document.write( " $\"x%5E2-3x-20=0\"$
\n" ); document.write( "-
\n" ); document.write( " $\"x=%283%2B-+sqrt%289%2B4%2A20%29%29%2F2\"$
\n" ); document.write( " $\"highlight%28x=%283%2B-+sqrt%2889%29%29%2F2%29\"$ , and use this to evaluate y. \n" ); document.write( "

\n" );