Question

subtract -9x from -7y

Answer 1

Answer

we can't subtract because x and are different variables

-7y-(-9x)

-7y+9x

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Answer 2

Given: The numbers$-9x , -7y$.

We have to subtract$-9x from -7y$.

The given problem is solved in the following way;

$=>-7y-(-9x)\\=>-7y+9x\\=>-7y+9x$

After subtracting $-9x from -7y$ we get $-7y+9x.$