document.write( "Question 1093182: Solve by substitution. 7x – y = 4 and 5x + 2y = 1 \n" ); document.write( "
Algebra.Com's Answer #707788 by jorel1380(3719)\"\" \"About 
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y=7x-4
\n" ); document.write( "5x+2(7x-4)=1
\n" ); document.write( "19x-8=1
\n" ); document.write( "19x=9
\n" ); document.write( "x=9/19
\n" ); document.write( "Solve for y
\n" ); document.write( "☺☺☺☺
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