Answer:

Step-by-step explanation:

Answer:
6. B) 115
7. B) 180 - (180 - 90 + 30) = x
Step-by-step explanation:
Answer: No solution
Step-by-step explanation: -12x-14=-62-12x
You would have to simplify the -12x but you can't so this would be a no solution.
-7 to make 4 so -4x=4 x=-1
The answer is x=-1
Hope this helps:)