To solve for C, you have to get both of the numbers with a C on the same side. So, subtract the 5c from the right side onto the left side.

Then, divide by 3 on each side.

So, c = 7.
Answer:
idk really sry
Step-by-step explanation:
3(8)-12=12
24-12=12
The fourth choice.
Yeah I think you already got it
5 * 6 = 30
90/3 = 30
5 * 6 = 90/3 = 30