How do you solve 3(x+1)=12?

Answer 1

So, you start with the fact that 3 times something (we'll call that 'n') is twelve.

12 divided by 3 equals 4.

3(n) = 12

12 / 3 = 4

We know that n is (x+1)

so... n=4, so... x = 4-1

so...

x = 3