The solution to 3-1/2 (-2) is 4

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3-1/2 (-2)

Solution

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

4

Solution steps

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

Follow the PEMDAS order of operations

Multiply and divide (left to right)

\frac{1}{2} (- 2) : - 1

\frac{1}{2} (- 2)

Apply rule

a \cdot (- b) = - a \cdot b

\frac{1}{2} (- 2) = - \frac{1}{2} \cdot 2

Convert element to fraction:

2 = \frac{2}{1}

= - \frac{1}{2} \cdot \frac{2}{1}

Cross-cancel common factor:

2

= - 1

= 3 - (- 1)

Add and subtract (left to right)

3 - (- 1) : 4

3 - (- 1)

Apply rule

- (- a) = + a

- (- 1) = + 1

= 3 + 1

3 + 1 = 4

= 4

= 4

5 + (- 2)^{2}

(- 9) + (- 7) + (8)

- 6 + (69) (11)

4 - (4)^{2}

- 7 (\frac{1}{2} + \frac{1}{3})