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Simplifying/reducing system of equations

I would like to know how I can manipulate a system of three equations, and three variables, so that it boils down to an expression containing only one variable. As an end result, I would like to get the equation that is to be solved rather than a solution itself.
Is that possible using Wolfram Alpha?

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Posted 1 month ago

Try something like

eliminate {x,y} from {3x+4y+11z=9,2x-5y-3z=2,5x-4y+3z=11}

which returns

11x= -18

My apologies for my mistake, that should have been

11z= -18
POSTED BY: Bill Nelson

You may try "eliminate".

POSTED BY: Gianluca Gorni
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