What is 54-(15-31)+(-27) ?

The solution to 54-(15-31)+(-27) is 43

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54-(15-31)+(-27)

54 - (15 - 31) + (- 27)

43

Solution steps

54 - (15 - 31) + (- 27)

Follow the PEMDAS order of operations

Calculate within parentheses

(15 - 31) : - 16

15 - 31

15 - 31 = - 16

= - 16

= 54 - (- 16) + (- 27)

Add and subtract (left to right)

54 - (- 16) + (- 27) : 43

54 - (- 16) + (- 27)

Apply rule

- (- a) = + a

- (- 16) = + 16

= 54 + 16 + (- 27)

54 + 16 = 70

= 70 + (- 27)

Apply rule

+ (- a) = - a

+ (- 27) = - 27

= 70 - 27

70 - 27 = 43

= 43

= 43

\frac{2 ^{0} - ( - 2 ) ^{2}}{2 ^{2} + ( - 2 ) ^{3}}

6^{2} + 1 0^{2}

1^{2} + 2^{2} + 3^{2}

2 \times 4^{2}

15 \cdot 8 - (3 \cdot 5) \div (- 3) + 4 \cdot (- 3) + 1