document.write( "Question 151777: Can someone please help me solve this linear system in three variables?\r
\n" ); document.write( "\n" ); document.write( "x-3y=11
\n" ); document.write( "5y+z=4
\n" ); document.write( "-x+z=2
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Algebra.Com's Answer #111611 by scott8148(6628)\"\" \"About 
You can put this solution on YOUR website!
adding 1st and 3rd eqns __ z-3y=13 __ adding 3y __ z=3y+13\r
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\n" ); document.write( "\n" ); document.write( "substituting into 2nd eqn __ 5y+(3y+13)=4 __ subtracting 13 __ 8y=-9 __ y=-9/8\r
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\n" ); document.write( "\n" ); document.write( "substituting into 1st eqn __ x-3(-9/8)=11 __ subtracting 27/8 __ x=61/8\r
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\n" ); document.write( "\n" ); document.write( "substituting into 3rd eqn __ -(61/8)+z=2 __ adding 61/8 __ z=77/8
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