Answer:
12
Step-by-step explanation:
Distribute the negative which would get your 3x + 6 -3x + 6. The 3x would cancel out and you would add 6+6 = 12
The answer to 1/2y+3/2=3y+4 is y= -1
I think it's the Multiplication Property of Equality.
Hope this helps you! :)
Try to divide the diameter by two
