Evaluate (4a+b)-3(2a+b)

$(4 a + b) - 3 (2 a + b)$

Simplify each term.

Apply the distributive property.

$4 a + b - 3 (2 a) - 3 b$

Multiply $2$ by $- 3$ .

$4 a + b - 6 a - 3 b$

$4 a + b - 6 a - 3 b$

Simplify by adding terms.

Subtract $6 a$ from $4 a$ .

$- 2 a + b - 3 b$

Subtract $3 b$ from $b$ .

$- 2 a - 2 b$

$- 2 a - 2 b$

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