Question

simplify A + B + 2A + 3B show how you got your work and the numbers please please show how you figure out the numbers and how to do this I have several more questions if you can help me with

Answer 1

$a + b + 2a + 3b \\ a + 2a = 3a \\ b + 3b = 4b \\ \\ 3a + 4b$

Answer 2

A+2a=3a because a/b=1

B+3b=4b

Then you have 4b and 3a so its

3a+4b

A always comes before b