3x -1 = 11
3x = 11 + 1
3x = 12
x = 4
I take it by, x2 + x, you mean 2x + x, since x = 4, then
2x + x = 2(4) + (4) = 8 + 4 =12
Answer:
There should be 37.2 trillion, however this is not a finite number and there might be more or less depending on the person.
Step-by-step explanation:
I am a beautiful person who can help you with the new one of those who are interested
87,240. I added them both together.
Sum= addition
