Answer:
You already did the question.
Step-by-step explanation:
What's there to simplify?
5+7 = 5+7
It's just recursive.
Answer:
A)9
Step-by-step explanation:
so if we see the figure the angle are vertical opposite
and so are equal ,
3x+8=35
3x=35-8
3x=27
x=27/3
x=9
hope it helps
Answer:
-30
Step-by-step explanation:
2*5 is 10
10*-3 is -30
409,821,735,673.....the value of the 4 in this number is 400 billion
Answer:

Step-by-step explanation:
-------------------------
Given:

---------->>>>
Combine like terms.

---------->>>>
Add 12 to both sides.

---------->>>>
Divide both sides by 9.

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Hope this is helpful.