Answer
$6y-4z=25$
Work Step by Step
We have $$3x+2y-5z=10$$ $$-3x+4y+z=15$$
Adding the equations $$6y-4z=25$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.