First, use distributive property to expand whats in the brackets
second, isolate x by putting all terms with x on one side
divide both sides by -11.81 to have x on its own.
3(5+7) is the problem you are looking at. To figure it out, you can use properties. On the right side of the equals sign, it shows a property you can use to do the problem. In this case, they are distributing.
Answer:
12/3 = 4
Step-by-step explanation:
Answer:
A=45
Step-by-step explanation:
If you take a pencil and put it in the middle of the line it looks like it could be half of the other side
180-45=135