15x-20y+z,-12x+10y-z
Answers
Answered by
3
The answer is 3x-10y
because if we simpify them
then,
the equation will be
15x-12x-20y+10y+z-z
now +z and -z will be cancelled and the rest of the equation will be solved
Answered by
2
Answer:
please mention the full question bri
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