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2(4)+1

Solution

2 (4) + 1

9

Solution steps

2 (4) + 1

Follow the PEMDAS order of operations

Multiply and divide (left to right)

2 (4) : 8

2 (4)

Apply rule:

(a) = a

(4) = 4

= 2 \cdot 4

Multiply the numbers:

2 \cdot 4 = 8

= 8

= 8 + 1

Add and subtract (left to right)

8 + 1 : 9

8 + 1

8 + 1 = 9

= 9

= 9

5 ([(12 - 2) \times (5 - 3) + (8 - 12 + 11)] - 10)

4 (2) + 5

- 7 \frac{4}{5} + (- 1) \frac{1}{5}

\frac{1}{2} + 2 - \frac{9}{10}

- 3^{2} - (- 3)^{2}