What is -1/2 (-1)+4 ?

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

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-1/2 (-1)+4

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

4 \frac{1}{2}

Solution steps

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

Follow the PEMDAS order of operations

Multiply and divide (left to right)

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

= \frac{1}{2} + 4

Add and subtract (left to right)

\frac{1}{2} + 4 : \frac{9}{2}

= \frac{9}{2}

Convert improper fractions to mixed numbers:

\frac{9}{2} = 4 \frac{1}{2}

= 4 \frac{1}{2}

- \frac{1}{3} \cdot 2 + 1

\frac{6 ^{5} - 6 ^{4}}{5}

2 \cdot 3 + 6 \div 2

48 - 2^{4} \cdot 2

5/10 \times 9/7