Chemistry Examples

$(- 795 - 393.5 - 285.8) - (- 1207 - 2 \cdot 92.3)$

Step 1

Simplify each term.

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Step 1.1

Multiply $- 2$ by $92.3$ .

$- 795 - 393.5 - 285.8 - (- 1207 - 184.6)$

Step 1.2

Subtract $184.6$ from $- 1207$ .

$- 795 - 393.5 - 285.8 - - 1391.6$

Step 1.3

Multiply $- 1$ by $- 1391.6$ .

$- 795 - 393.5 - 285.8 + 1391.6$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Subtract $393.5$ from $- 795$ .

$- 1188.5 - 285.8 + 1391.6$

Step 2.2

Subtract $285.8$ from $- 1188.5$ .

$- 1474.3 + 1391.6$

Step 2.3

Add $- 1474.3$ and $1391.6$ .

$- 82.7$