Maths Question: 17+47=7+?
Solution 1 Break the equation in 2… 17 + 47 = 64 Now you know whatever you add to 7 MUST equal 64. The opposite of addition is subtraction so …. 64-7 = 57 Final answer 57 Solution 2 The answer is 57. 17 + 47 = 64 so 64 – 7 = 57 Solution … Read more