document.write( "Question 72499This question is from textbook Beginning Algebra 1A
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document.write( ": Please solve for me please
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document.write( " x 5y = 10
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document.write( "-2x-10y=-20 \n" );
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Algebra.Com's Answer #51867 by elima(1433)![]() ![]() ![]() You can put this solution on YOUR website! You forgot the sign in the first equation \n" ); document.write( "Is it +, or - ? \n" ); document.write( "If it is -, then; \n" ); document.write( "x-5y=10 \n" ); document.write( "x=10+5y \n" ); document.write( "Substitute 10 + 5y for the y in equation 2; \n" ); document.write( "-2(10+5y)-10y=-20 \n" ); document.write( "-20-10y-10y=-20 \n" ); document.write( "-20y=-20+20 \n" ); document.write( "-20y - 0 \n" ); document.write( "y=0 \n" ); document.write( "Plug that in the first equation for y; \n" ); document.write( "x-5(0)=10 \n" ); document.write( "x=10 \n" ); document.write( " |