Its a math question. Using distributive property.

all you have to do here is multiply by the -2

so, -2(w+8) would become (-2*w) + (-2*8) which equals

(-2w) + (-16) = -2w - 16

Its a math question. Using distributive property.

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all you have to do here is multiply by the -2

so, -2(w+8) would become (-2*w) + (-2*8) which equals

(-2w) + (-16) = -2w - 16