Pre-Algebra Examples

$- a + b - c + 8 + 2 a + 2 b - 19 - 2 c - 3 a - 3 - 3 b + 3 c$

Step 1

Add $- a$ and $2 a$ .

$a + b - c + 8 + 2 b - 19 - 2 c - 3 a - 3 - 3 b + 3 c$

Step 2

Subtract $3 a$ from $a$ .

$- 2 a + b - c + 8 + 2 b - 19 - 2 c - 3 - 3 b + 3 c$

Step 3

Add $b$ and $2 b$ .

$- 2 a + 3 b - c + 8 - 19 - 2 c - 3 - 3 b + 3 c$

Step 4

Combine the opposite terms in $- 2 a + 3 b - c + 8 - 19 - 2 c - 3 - 3 b + 3 c$ .

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Step 4.1

Subtract $3 b$ from $3 b$ .

$- 2 a - c + 8 - 19 - 2 c - 3 + 0 + 3 c$

Step 4.2

Add $- 2 a - c + 8 - 19 - 2 c - 3$ and $0$ .

$- 2 a - c + 8 - 19 - 2 c - 3 + 3 c$

Step 5

Subtract $2 c$ from $- c$ .

$- 2 a - 3 c + 8 - 19 - 3 + 3 c$

Step 6

Combine the opposite terms in $- 2 a - 3 c + 8 - 19 - 3 + 3 c$ .

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Step 6.1

Add $- 3 c$ and $3 c$ .

$- 2 a + 0 + 8 - 19 - 3$

Step 6.2

Add $- 2 a$ and $0$ .

$- 2 a + 8 - 19 - 3$

Step 7

Simplify by subtracting numbers.

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Step 7.1

Subtract $19$ from $8$ .

$- 2 a - 11 - 3$

Step 7.2

Subtract $3$ from $- 11$ .

$- 2 a - 14$