Basic Math Examples

$(4 a - 2 b + 9 c) - 2 a + 2 b - 4 c$

Step 1

Combine the opposite terms in $(4 a - 2 b + 9 c) - 2 a + 2 b - 4 c$ .

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Step 1.1

Add $- 2 b$ and $2 b$ .

$(4 a + 9 c) - 2 a + 0 - 4 c$

Step 1.2

Add $(4 a + 9 c) - 2 a$ and $0$ .

$(4 a + 9 c) - 2 a - 4 c$

Step 2

Subtract $2 a$ from $4 a$ .

$2 a + 9 c - 4 c$

Step 3

Subtract $4 c$ from $9 c$ .

$2 a + 5 c$