Algebra Examples

$2 a b + 4 a c - 5 c + - 6 c + 7 a b$

Step 1

Replace all occurrences of $+$ $-$ with a single $-$ . A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because $1 \cdot - 1 = - 1$

$2 a b + 4 a c - 5 c - 6 c + 7 a b$

Step 2

Add $2 a b$ and $7 a b$ .

$4 a c - 5 c - 6 c + 9 a b$

Step 3

Subtract $6 c$ from $- 5 c$ .

$4 a c - 11 c + 9 a b$

Step 4

Simplify the expression.

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Step 4.1

Move $- 11 c$ .

$4 a c + 9 a b - 11 c$

Step 4.2

Reorder $4 a c$ and $9 a b$ .

$9 a b + 4 a c - 11 c$