document.write( "Question 308109: how do u I solve by subsitution method for
\n" ); document.write( "x+4y=41
\n" ); document.write( "4x+3y=60
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Algebra.Com's Answer #220359 by Alan3354(69443)\"\" \"About 
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how do u I solve by subsitution method for
\n" ); document.write( "x+4y=41
\n" ); document.write( "4x+3y=60
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\n" ); document.write( "Solve the 1st eqn for x, since its coefficient is 1.
\n" ); document.write( "x = 41-4y
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\n" ); document.write( "Sub for x in the 2nd eqn
\n" ); document.write( "4x + 3y = 60
\n" ); document.write( "4(41-4y) + 3y = 60
\n" ); document.write( "solve for y, then sub for y into either eqn and find x.
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