document.write( "Question 446375: How do you solve for substitution and elimination? \n" ); document.write( "
Algebra.Com's Answer #307413 by shree840(260)\"\" \"About 
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Substitution x+y=3 x=3-y substitute this value of x interms of y and solve.
\n" ); document.write( "eliminiation
\n" ); document.write( "x+y=5
\n" ); document.write( "2x-3y=10\r
\n" ); document.write( "\n" ); document.write( "we multiply eqn 1 by 2
\n" ); document.write( "2x+2y=10
\n" ); document.write( "2x-3y=10
\n" ); document.write( "---------
\n" ); document.write( "subtract line 2 from line 1 thus eliminating x
\n" ); document.write( "2x+2y=10
\n" ); document.write( "-2x+6y=-10
\n" ); document.write( "---------- add both the lines
\n" ); document.write( "8y=0 so y=0 in this case ANS
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