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4 + 2[ 4n - 7(n - 1)] - 6

User DKebler
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1 Answer

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4+2\left[4n-7\left(n-1\right)\right]-6

first, we have to apply distributive property to the parenthesis:


4+2\left[4n-7\left(n)-7(-1\right)\right]-6
4+2\left[4n-7n+7\right]-6
\text{.}
4+2\left[-3n+7\right]-6

Next, solve the brackets:


4+2(-3n)+2(7)-6
4-6n+14-6

Add alike terms:


12-6n

User Jane Doh
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