Question

how many solutions does the equation have?

x+2x+3+3 = 3(x+2)

Answer 1

3x+6=3x + 6
3x=3x
3x-3x=0
0x=0

That means that whatever value of x you choose, the answer always will be the same, so it doesn't matter what x you choose, so you have infinite number of possibilities
answer: infinite solutions