Which of the following interchange of signs would make the equation correct ?
49 - 7 + 7 = 14
option A: 49 - 7 ÷ 7 = 14, false
option B: 49 - 7- 7 = 14,false
option C: 49 ÷ 7 + 7 = 14,true
the correct answer is option C.
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