document.write( "Question 54468: 2x + 3y = 1
\n" ); document.write( "5x + 3y = 16
\n" ); document.write( "x = ?
\n" ); document.write( "y = ? \n" ); document.write( "
Algebra.Com's Answer #36715 by tutorcecilia(2152)\"\" \"About 
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-5(2x + 3y = 1)[Use the elimination method to solve for x and y]
\n" ); document.write( "+2(5x + 3y = 16)
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\n" ); document.write( "-10x-15y=-5
\n" ); document.write( "+10x+6y=32
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\n" ); document.write( "+0x-9y=27
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\n" ); document.write( "\n" ); document.write( "-9y=27 [Solve for y]
\n" ); document.write( "-9y/-9=27/-9
\n" ); document.write( "y=-3 [Plug (y=-3) back into the equations and solve for x]
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\n" ); document.write( "2x + 3y = 1
\n" ); document.write( "2x + 3(-3) = 1
\n" ); document.write( "2x+(-9)=1
\n" ); document.write( "2x=9+1
\n" ); document.write( "2x=10
\n" ); document.write( "x=10/2
\n" ); document.write( "x=5
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\n" ); document.write( "\n" ); document.write( "Plug the values of x and y back into either of the original equations.
\n" ); document.write( "5x + 3y = 16
\n" ); document.write( "5(5) + 3(-3) = 16
\n" ); document.write( "-9=-9 [Checks out]
\n" ); document.write( "or
\n" ); document.write( "2x + 3y = 1
\n" ); document.write( "2(5) + 3(-3) = 1
\n" ); document.write( "10-9=1
\n" ); document.write( "1=1 [Also checks out]\r
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