document.write( "Question 372243: I am confused about this problem I have.This is the equations: x-y+2z=5
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document.write( " 3x+2y=4
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document.write( " -2x+2y-4z=-10
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document.write( "Can this be solved even though the second equations doesn't have a \"z\" value? \n" );
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Algebra.Com's Answer #265167 by robertb(5830)![]() ![]() You can put this solution on YOUR website! Yes. It simply means the coefficient of z in the 2nd equation is 0, so that essentially the equation is 3x + 2y + 0z = 4. \n" ); document.write( " |