Pre-Algebra Examples

$3 a + 5 b - 3 a - b$

Step 1

Combine the opposite terms in $3 a + 5 b - 3 a - b$ .

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Step 1.1

Subtract $3 a$ from $3 a$ .

$5 b + 0 - b$

Step 1.2

Add $5 b$ and $0$ .

$5 b - b$

Step 2

Subtract $b$ from $5 b$ .

$4 b$