How do you simplify $–2(x – 9) + 4(x + 6)$ ?

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Answer 1 · 2016-06-29T02:57:53

$-2(x-9)+4(x+6)=color(blue)(2x+42)$

$-2(x-9)+4(x+6)$

Expand each term by distributing the $-2$ and $4$ .

$-2x+18+4x+24$

Group like terms.

$-2x+4x+18+24$

Combine like terms.

$2x+42$

How do you simplify –2(x – 9) + 4(x + 6)–2(x – 9) + 4(x + 6)?