Answer: a = 
We want to isolate a. Add both sides by 2. Then we get u + 2 = 2a. To get just a, we can divide by 2 to get (u+2)/2.
Hope that helped,
-sirswagger21
If I remember correctly, it’s D
Solution
34x-12=12
or, 34x=12+12
or, 34x=36
or, x=36÷34
OR, x=1.05 is your answer
Let

Then it can be shown by using a right-angled triangle and the rule of Pythagoras that

Therefore
Answer:
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Step-by-step explanation: