3x+2 mulitiply by 2. you will get 6x+4 now put 10x-12 like so 6x+4=10x-12. then use like terms and subtract 6x from 10x. you will get 4x-12=4. then add 12 to cancel out then divide 16 by 4 and then x=4 then plug in 4 to replace x in 3x+2.
The answer is 14
In math remaining means left over.
Hope that helped:)
Answer:
α=39.80°
Step-by-step explanation:
applying the law of sin and cos, we have:

and to the nearest tenth of a degree
α=39.80°