Simplify -2[9 - (x + 7)].

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Guest Jan 20, 2015

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Best Answer

-2[9 - (x + 7)] work inside the brackets, first

-2 [ 9 - x - 7 ] simplify

-2 [ 2 - x ] distribute the -2 across both terms inside the brackets

-4 + 2x or... just 2x - 4

CPhill Jan 20, 2015

CPhill · Answer 1 · 2015-01-20T06:17:28

-2[9 - (x + 7)] work inside the brackets, first

-2 [ 9 - x - 7 ] simplify

-2 [ 2 - x ] distribute the -2 across both terms inside the brackets

-4 + 2x or... just 2x - 4