13 subtracted from a number w is 15.

Write the word sentence as an equation.

Step-by-step explanation:

13 subtracted from a number w is 15.

subtracted signifies subtraction so the equation would subtract 13 from the variable w to equal to 15

You could take this a step further and solve for w in the equation

To solve this all you need to do is isolate the variable, we can do this by adding 13 to both sides.

step-by-step explanation:

yes it represnts a functio, their are not 2 of the same numbers on the both sides