Algebra Examples

$8 a - (7 a + (15 a - (- 18 a - 9)))$

Step 1

Remove parentheses.

$8 a - (7 a + 15 a - (- 18 a - 9))$

Step 2

Simplify each term.

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Step 2.1

Simplify each term.

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Step 2.1.1

Apply the distributive property.

$8 a - (7 a + 15 a - (- 18 a) - - 9)$

Step 2.1.2

Multiply $- 18$ by $- 1$ .

$8 a - (7 a + 15 a + 18 a - - 9)$

Step 2.1.3

Multiply $- 1$ by $- 9$ .

$8 a - (7 a + 15 a + 18 a + 9)$

$8 a - (7 a + 15 a + 18 a + 9)$

Step 2.2

Add $7 a$ and $15 a$ .

$8 a - (22 a + 18 a + 9)$

Step 2.3

Add $22 a$ and $18 a$ .

$8 a - (40 a + 9)$

Step 2.4

Apply the distributive property.

$8 a - (40 a) - 1 \cdot 9$

Step 2.5

Multiply $40$ by $- 1$ .

$8 a - 40 a - 1 \cdot 9$

Step 2.6

Multiply $- 1$ by $9$ .

$8 a - 40 a - 9$

$8 a - 40 a - 9$

Step 3

Subtract $40 a$ from $8 a$ .

$- 32 a - 9$

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