18 ÷ 3 x 2 - 7 = 5
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The idea is to multiply 18 by 2, then divide the result by 6. As an alternative, you can also divide 18 by 6 first, then multiply the result by 2.
it equals 22 because it doesn't say add, subtract multiply or divide
Pick any number. Multiply by 6. Add 13. Subtract 7. Divide 3. Divide 2. Then subtract by the original number you chose. Your result will always be 1. Tell a friend to mentaly multiply their age by 2. Tell them to add 14 then divide 2. Ask your friend what number they currently have. Now, you mentally subtract 7 from the number they tell you, then you'll know your friend's age.
34?
40 and 33 if you add them. 80 and 7 if you subtract them. 146 and 2 if you divide them. 73 and 1 if you multiply them.