Multiplication is a shorthand way of addition. This means 1+2×3 is actually 1+2+2+2 or if you want 1+3+3. It is simply a way to compile or group a series of additions together.
This means in order to reverse it you have to first degroup the multiplication then do the adding.
NoName05478 t1_iyblupv wrote
Reply to ELI5 why we first multiply, then add by TheManNamedPeterPan
Multiplication is a shorthand way of addition. This means 1+2×3 is actually 1+2+2+2 or if you want 1+3+3. It is simply a way to compile or group a series of additions together.
This means in order to reverse it you have to first degroup the multiplication then do the adding.