Question

X x 39 + X x 63 - X - X = 3200 

TÌM X

Answer 1

X x 39 + X x 63 - X - X = 3200 

X x (39 + 63 - 1 - 1) = 3200 

X x (102 - 2) = 3200 

X x 100 = 3200

X = 3200 : 100

X = 32 

Vậy X = 32

Answer 2

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