What is -400+[(-1800)+(-1600)]+[(-18)-(-25)]+16 ?

The solution to -400+[(-1800)+(-1600)]+[(-18)-(-25)]+16 is -3777

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-400+[(-1800)+(-1600)]+[(-18)-(-25)]+16

- 400 + [(- 1800) + (- 1600)] + [(- 18) - (- 25)] + 16

- 3777

Solution steps

- 400 + [(- 1800) + (- 1600)] + [(- 18) - (- 25)] + 16

Follow the PEMDAS order of operations

Calculate within parentheses

[(- 1800) + (- 1600)] : - 3400

(- 1800) + (- 1600)

Add and subtract (left to right)

Apply rule

+ (- a) = - a

+ (- 1600) = - 1600

= (- 1800) - 1600

(- 1800) - 1600 = - 3400

= - 3400

= - 400 - 3400 + [(- 18) - (- 25)] + 16

Calculate within parentheses

[(- 18) - (- 25)] : 7

(- 18) - (- 25)

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 25) = + 25

= (- 18) + 25

(- 18) + 25 = 7

= 7

= - 400 - 3400 + [(- 18) - (- 25)] + 16

Add and subtract (left to right)

- 400 - 3400 + [(- 18) - (- 25)] + 16 : - 3777

- 400 - 3400 + [(- 18) - (- 25)] + 16

- 400 - 3400 = - 3800

= - 3800 + [(- 18) - (- 25)] + 16

- 3800 + [(- 18) - (- 25)] = - 3793

= - 3793 + 16

- 3793 + 16 = - 3777

= - 3777

= - 3777

(5 \div 5)^{2} \times (3 \times 2)^{1}

+ (- \frac{1}{49}) \times 1 \times (- \frac{1}{49})

\frac{5}{9} (50 - 32)

\frac{50}{( 5 + 5 ) ^{3}}

3 \frac{3}{4} - (2 \frac{3}{8} - 1 \frac{3}{4})

What is -400+[(-1800)+(-1600)]+[(-18)-(-25)]+16 ?
The solution to -400+[(-1800)+(-1600)]+[(-18)-(-25)]+16 is -3777