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Which expression is equivalent to (-4y-x)-(y-9x) ?

1 Answer

3 votes

Answer:

-5y + 8x

Explanation:


(-4y-x)-(y-9x)\\\\-4y-x-(y-9x)\\\\\rightarrow-(y-9x)*-1=-y+9x\\\\-4y-x-y+9x\\\\-4y-y+9x-x\\\\\boxed{-5y+8x}

answered
User Ken Russell
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