A number means an arbitrary variable, let's call it x.
Half of x means we divide x by 2, or multiply by 0.5
x/2
2 times half x is written:
2(x/2)
If we simplify by cancelling the 2's, we just get x.
Half of x means we divide x by 2, or multiply by 0.5
x/2
2 times half x is written:
2(x/2)
If we simplify by cancelling the 2's, we just get x.