document.write( "Question 484926: x+2y-2z=1
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Algebra.Com's Answer #331731 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Hint: Solve equation 2 for z. After that, perform the substitution for equations 1 and 3 that will eliminate z. From there, you'll have 2 equations with 2 unknowns. Solve this system as you normally would and then use those answers to find z. \n" ); document.write( "
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