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Mathematically 12 x 12 + 12 ÷ 6 - 20 gives 126, when you follow the rules of precedence of operators. The multiplications and divisions will be done before the additions and subtractions. The 12 x 12 will be done first, giving 144. Next the 12 will be divided by 6, giving 2. Then the 2 will be added to the 144, giving 146. Finally, the 20 will be subtracted from the 146 to give 126.
If you want to do it in steps, as listed in the question, you will get a different answer
12 x 12 = 144
144 + 12 = 156
156 ÷ 6 = 26
26 - 20 = 6
To get that result by following the laws of precedence of operators, you need to enclose parts in brackets and it would have to be written as:
(12 x 12 +12) ÷ 6 - 20
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How does this work Pick a number any number add 17 double it subtract 4 double it add 20 divide by 4 and subtract 20 You end up with your original answer. How?
Start with n, then you get; Add 17: n + 17 Double it: 2n + 34 Subtract 4: 2n + 30 Double it: 4n + 60 Add 20: 4n + 80 Divide by 4: n + 20 Subtract 20: n which is where you started.
What is the inverse operation of subtract 20?
Add 20.
What two numbers add to get 8 and subtract to get 20?
28
What is 240 divide by 12?
20
What number is halfway between 12 and 20?
32
Can you times divide add or subtract to get 50 to 30?
Any of them. To get 50 to 30 you could... subtract 20 add -20 divide by 5/3 multiply by 3/5
How does this work Pick a number any number add 17 double it subtract 4 double it add 20 divide by 4 and subtract 20 You end up with your original answer. How?
Start with n, then you get; Add 17: n + 17 Double it: 2n + 34 Subtract 4: 2n + 30 Double it: 4n + 60 Add 20: 4n + 80 Divide by 4: n + 20 Subtract 20: n which is where you started.
3n add 20 equals 170 what is the value of n?
3n+20=170 subtract 20 3n=150 divide by 3 n=50
If you divide 20 by 12 and then add 35 then multiply that result by 8?
20/3 short of 300
What is the inverse operation of subtract 20?
Add 20.
-20 Celsius equals what Fahrenheit?
-4 degrees Fahrenheit. ---- Celsius to Fahrenheit · Multiply by 9 · Divide by 5 · Add 32 Fahrenheit to Celsius · Subtract 32 · Divide by 9 · Multiply by 5
What is the answer of 6x plus 8 equals 20?
6x + 8 = 20 Subtract 8 from both sides: 6x = 12 Divide both sides by 6: x = 2
How do you add or subtract the similar fraction?
If the fractions have the same denominator, just add or subtract the numerators. 13/20 - 9/20 = 4/20 2/5 + 1/5 = 3/5
WHEN you take a number add 20 subtract 17 add 13 then subtract the original number it equals?
n + 20 - 17 + 13 - n = 20 - 17 + 13 = 3 + 13 = 16
How do you solve 4x plus 12 equls 32?
first subtract 12 from each side making it 4x =20 then divide each side by 4 making it x=5
What is negative 12 subtract 8?
-20
What is 20 degrees Celsius in Fahrenheit degrees?
68 degrees Fahrenheit. Celsius to Fahrenheit · Multiply by 9 · Divide by 5 · Add 32 Fahrenheit to Celsius · Subtract 32 · Divide by 9 · Multiply by 5
