When you line the object up against the ruler you are measuring it's side, if you put it on the one instead of the zero then you're making the object one inch longer, so you'd have to subtract the one in the end
Answer:
Step-by-step explanation:
Well, they are not the same. For one thing, 48÷x = 6 is an equation.
48-x-x-x-x-x-x is an expression, not an equation.