Algebra Examples

$a + b - c - b - c + 2 c - a$

Step 1

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

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Step 1.1

Subtract $b$ from $b$ .

$a - c + 0 - c + 2 c - a$

Step 1.2

Add $a - c$ and $0$ .

$a - c - c + 2 c - a$

Step 1.3

Subtract $a$ from $a$ .

$- c - c + 2 c + 0$

Step 1.4

Add $- c - c + 2 c$ and $0$ .

$- c - c + 2 c$

Step 2

Subtract $c$ from $- c$ .

$- 2 c + 2 c$

Step 3

Add $- 2 c$ and $2 c$ .

$0$