Pre-Algebra Examples

$(25 - (25 - 15) \cdot 0.25 - 15) - (25 - (0.25 (25) - 15))$

Step 1

Simplify each term.

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Step 1.1

Subtract $15$ from $25$ .

$25 - 1 \cdot 10 \cdot 0.25 - 15 - (25 - (0.25 (25) - 15))$

Step 1.2

Multiply $- 1 \cdot 10 \cdot 0.25$ .

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Step 1.2.1

Multiply $- 1$ by $10$ .

$25 - 10 \cdot 0.25 - 15 - (25 - (0.25 (25) - 15))$

Step 1.2.2

Multiply $- 10$ by $0.25$ .

$25 - 2.5 - 15 - (25 - (0.25 (25) - 15))$

Step 1.3

Simplify each term.

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Step 1.3.1

Multiply $0.25$ by $25$ .

$25 - 2.5 - 15 - (25 - (6.25 - 15))$

Step 1.3.2

Subtract $15$ from $6.25$ .

$25 - 2.5 - 15 - (25 - - 8.75)$

Step 1.3.3

Multiply $- 1$ by $- 8.75$ .

$25 - 2.5 - 15 - (25 + 8.75)$

Step 1.4

Add $25$ and $8.75$ .

$25 - 2.5 - 15 - 1 \cdot 33.75$

Step 1.5

Multiply $- 1$ by $33.75$ .

$25 - 2.5 - 15 - 33.75$

Step 2

Simplify by subtracting numbers.

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Step 2.1

Subtract $2.5$ from $25$ .

$22.5 - 15 - 33.75$

Step 2.2

Subtract $15$ from $22.5$ .

$7.5 - 33.75$

Step 2.3

Subtract $33.75$ from $7.5$ .

$- 26.25$