Question

16 - [5 +(-4) + 9-(-10)​

Answer 1

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✔✅➡️When brackets are opened, the sign are changed inside it if the outside sign is negative. If it is positive, then the signs are not changed.

16 - [5+(-4)+9-(-10)]

16- [5+(-4)+9+10]

16-[5+(-4)+19]

16-[24+(-4)]

16-[24-4]

16-20 = -4

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Answer 2

Answer:

$\large\boxed{-4}$

Step-by-step explanation:

Given:

16 - [5 +(-4) + 9-(-10)​

To use order of operations stands for (Parenthesis, Exponents, Multiply, Divide, Add, and Subtract) left to right.

BOMDAS stands for (Bracket, Of, Multiply, Divide, Add, and Subtract) left to right.

Solutions:

First, do parenthesis.

Next, add and subtract numbers from left to right.

$\displaystyle (-4)=-4$

$\displaystyle 5-4+9-(-10)$

Subtract.

$\displaystyle 5-4=1$

$\displaystyle 1+9-(-10)$

Add.

$\displaystyle 1+9=10$

$\displaystyle -(-10)=10$

Add.

$\displaystyle 10+10=20$

$\displaystyle 16-20=\boxed{-4}$

Therefore, the final answer is -4.