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Basic Math
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Example
3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b
Question
$$5n-2(2n-7)$$
Evaluate
$n+14$
Solution Steps
Use the distributive property to multiply $-2$ by $2n-7$.
$$5n-4n+14$$
Combine $5n$ and $-4n$ to get $n$.
$$n+14$$
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Expand
$n+14$
Solution Steps
Use the distributive property to multiply $-2$ by $2n-7$.
$$5n-4n+14$$
Combine $5n$ and $-4n$ to get $n$.
$$n+14$$
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