What is 120-(-140)+(-120)-140 ?

The solution to 120-(-140)+(-120)-140 is 0

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120-(-140)+(-120)-140

120 - (- 140) + (- 120) - 140

0

Solution steps

120 - (- 140) + (- 120) - 140

Follow the PEMDAS order of operations

Add and subtract (left to right)

Apply rule

- (- a) = + a

- (- 140) = + 140

= 120 + 140 + (- 120) - 140

120 + 140 = 260

= 260 + (- 120) - 140

Apply rule

+ (- a) = - a

+ (- 120) = - 120

= 260 - 120 - 140

260 - 120 = 140

= 140 - 140

140 - 140 = 0

= 0

\frac{1}{2} + \frac{1}{16}

\frac{1}{2} (7 + 10)

6 (0) + 12

+ 30 (8) - \frac{11}{2} (16)

- 8^{2} - 4 \cdot 2 \cdot 9