The solution to 1/2 (-4+8) is 2

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1/2 (-4+8)

Solution

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

2

Solution steps

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

Follow the PEMDAS order of operations

Calculate within parentheses

(- 4 + 8) : 4

- 4 + 8

- 4 + 8 = 4

= 4

= \frac{1}{2} \cdot 4

Multiply and divide (left to right)

\frac{1}{2} \cdot 4 : 2

\frac{1}{2} \cdot 4

Convert element to fraction:

4 = \frac{4}{1}

= \frac{1}{2} \cdot \frac{4}{1}

Apply the fraction rule:

\frac{a}{b} \cdot \frac{c}{d} = \frac{a \cdot c}{b \cdot d}

= \frac{1 \cdot 4}{2 \cdot 1}

\frac{1 \cdot 4}{2 \cdot 1} = 2

\frac{1 \cdot 4}{2 \cdot 1}

\frac{1 \cdot 4}{2 \cdot 1} = \frac{4}{2}

\frac{1 \cdot 4}{2 \cdot 1}

Multiply the numbers:

1 \cdot 4 = 4

= \frac{4}{2 \cdot 1}

Multiply the numbers:

2 \cdot 1 = 2

= \frac{4}{2}

= \frac{4}{2}

Divide the numbers:

\frac{4}{2} = 2

= 2

= 2

= 2

\frac{7 - 2 ^{2} \cdot ( 1 - 4 )}{4 + 1}

[(- 1) + (- 2) + [(- 3) + (- 4)]]

4 (13)^{2}

2 \cdot 1 6^{3}

(- 27 - 8 + 19) - (12 - 18)