Help step by step plz :)

x=13 (check steps below)

Step-by-step explanation:

step 1: x-3 = 10 (we are going to add 3 onto the other side so x can be left by itself)

Step 2: x - 3 = 10

               +3     +3

             so.. x=13

total of apples - take away four

6-4 = 2

answer is 2 apples