What is -1/2+7-2*5/2+2 ?

The solution to -1/2+7-2*5/2+2 is 3 1/2

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-1/2+7-2*5/2+2

- \frac{1}{2} + 7 - 2 \cdot \frac{5}{2} + 2

3 \frac{1}{2}

Solution steps

- \frac{1}{2} + 7 - 2 \cdot \frac{5}{2} + 2

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 \cdot \frac{5}{2} : 5

= - \frac{1}{2} + 7 - 5 + 2

Add and subtract (left to right)

- \frac{1}{2} + 7 - 5 + 2 : \frac{7}{2}

= \frac{7}{2}

Convert improper fractions to mixed numbers:

\frac{7}{2} = 3 \frac{1}{2}

= 3 \frac{1}{2}

6^{3} \times + 9^{2} \times + 15

3 (1) + 9

5 (3)^{2} (2)^{3} - 4 (3) (2)^{2} + 3 (3) - 9

\frac{1}{2} \times 4^{2}

5 \times [- 6 + (- 3 - 10 + 5) + 6] - (- 10 - 3)