8-3[25-(7+25)]

i need help evaluating the expression 8-3[25-(7+25)]
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1 Answer

8-3[25-(7+25)]
i need help evaluating the expression 8-3[25-(7+25)]

8 - 3[25 - (7 + 25)]

Ordinarily, I would say perform the addition inside the parentheses,
but in this problem we are adding 25 then subtracting 25.

8 - 3[-7]

Now, perform the multiplication.

8 - (-21)

Last, the subtraction. Subtracting a negative is adding a positive.

29

by Level 11 User (78.4k points)

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