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3u+4v-2(8u-5v)

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1 Answer

3u + 4v - 2(8u - 5v)
3u + 4v + (-2)(8u - 5v)
 
Multiply the -2 across the terms in the parentheses:
 
3u + 4v + (-2)*8u - (-2)*(5v)
 
3u + 4v -16u + 10v
 
Combine like terms:
 
(3u - 16u) + (4v + 10v)
 
-13u + 14v