Answer:
Step-by-step explanation:
x - 3 = 7
x = 7 + 3
x = 10
x=10
x-3(+3)=7+3
We need to add 3 to both sides to isolate x.
minus 6 on both sides and then reduce down
The top box in the middle, should be 15.
The bottom box on the left should be 1.5
