document.write( "Question 818508: Pls help me solve 2x+y=1290 and 2y+x=1020. Thank u in advance \n" ); document.write( "
Algebra.Com's Answer #492617 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Multiply the second equation by 2. \n" ); document.write( "Subtract the left member from the left member of the first equation, subtract the right member from the right member of the first equation; and now solve this resulting equation for y. The method essentially relies on the substitution property.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "That is a description for using an elimination method.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |