x-(y – z) + x + (y – Z) + y - (z + x)
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Answer:
x + y - z is the answer
Step-by-step explanation:
x-(y – z) + x + (y – z) + y - (z + x)
First of all open brackets:
x - y + z + x + y - z + y - z - x
2x - x - y + 2y + z - 2z
x + y - z
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