Respuesta :
remember
1 times a=a
and
a/1=a
so
1 times x-x/1
pemdas
multiply
1 times x=x
divide
x/1=x
now we got
x-x
that is 0
0 is right
1 times a=a
and
a/1=a
so
1 times x-x/1
pemdas
multiply
1 times x=x
divide
x/1=x
now we got
x-x
that is 0
0 is right