The answer is 
First, you must divide 12 on both sides.

Then, simplify the fraction.

Answer:
6
Step-by-step explanation:
2/7 times 21 equals 6. Next time, don't ask as a brainly question and use calculator so you don't waste/lose your points.
Hope this helps!!! PLZ MARK BRAINLIEST!!!
Take a picture of the problem on PhotoMath and it will break down all of your steps.
If the student got 123 marks and failed by 39, your first step would be to add the two together, getting 162. This is the amount of marks needed to pass the test.
You would then divide 162 by .36 (.36 is equivalent to 36%). This would result in a maximum of 450 marks.
The maximum marks on this test are 450 marks.
Answer:
Well, one penny adds up quickly. In a year, you can save nearly £700 by putting just 1p away in day one, 2p in day two….you get the idea. For a normal (365 day) year you can save £667.95, and in a leap year you can save £671.61.
Step-by-step explanation: