Calculate: 6 (2 a+4)-8 (3-a)

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Expression: $$6 ( 2 a + 4 ) - 8 ( 3 - a )$$

Use the distributive property to multiply $6$ by $2a+4$.

$$12a+24-8\left(3-a\right)$$

Use the distributive property to multiply $-8$ by $3-a$.

$$12a+24-24+8a$$

Subtract $24$ from $24$ to get $0$.

$$12a+8a$$

Combine $12a$ and $8a$ to get $20a$.

$$20a$$

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