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(21 x 3) - 18/2 x (-9 x 4)

I know to do the parenthesis first.
so it would be 63 - 18/2 X -36.
do I do the 18 divided by 2 next than times the -36 or do i take 9 (the 18/2) X -36?

  • Math -

    do the 18/2 next, then the multiply, then the add.

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