Answer:
9 - x
Step-by-step explanation:
[A - B]
"A subtracted by B"
"A minus B"
"difference of A and B"
[A + B]
"A added to B"
"A and B combined"
"A plus B"
"sum of A and B"
[A * B]
"A multiplied by B"
"A times B"
"product of A and B"
[A / B]
"A divided by B"
"quotient of A and B"
