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anonymous
 5 years ago
simplify
3 (7w) + 7 (3w)
v v
21w + 21w
42w
is that correct
anonymous
 5 years ago
simplify 3 (7w) + 7 (3w) v v 21w + 21w 42w is that correct

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0No. The answer is 0 (zero).  x + x = 0 (where x is any number) Because  x + x is same as +x  x which is same as x  x which is ZERO.

angela210793
 5 years ago
Best ResponseYou've already chosen the best response.0rahulg has explained it

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0can youshow m th steps

angela210793
 5 years ago
Best ResponseYou've already chosen the best response.0u got 21w and 21w....so if u sum two opposite numbers u get 0

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0sits like this 3 (7w) + 7 (3w) v v 21w + 21w =0

angela210793
 5 years ago
Best ResponseYou've already chosen the best response.0whenever u have two opposite no.s their sum is 0
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