Chemistry Examples

$222 - (- 45 + 18 - 1) + (- 8 - 9)$

Step 1

Remove parentheses.

$222 - (- 45 + 18 - 1) - 8 - 9$

Step 2

Simplify each term.

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Step 2.1

Add $- 45$ and $18$ .

$222 - (- 27 - 1) - 8 - 9$

Step 2.2

Subtract $1$ from $- 27$ .

$222 - - 28 - 8 - 9$

Step 2.3

Multiply $- 1$ by $- 28$ .

$222 + 28 - 8 - 9$

$222 + 28 - 8 - 9$

Step 3

Simplify by adding and subtracting.

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Step 3.1

Add $222$ and $28$ .

$250 - 8 - 9$

Step 3.2

Subtract $8$ from $250$ .

$242 - 9$

Step 3.3

Subtract $9$ from $242$ .

$233$

$233$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$