Suppose you must find the termperature in degrees Fahrenheit F when it is 15º C. You would solve the equation F = (9/5)C + 32 for F. Your next logical step would be F = (9/5)(15) + 32. Why?

A: Addition Property of Equality
B: Multiplication Property of Equality
C: Substitution Property of Equality
D: Division Property of Equality

Question

Suppose you must find the termperature in degrees Fahrenheit F when it is 15º C. You would solve the equation F = (9/5)C + 32 for F. Your next logical step would be F = (9/5)(15) + 32. Why?

A: Addition Property of Equality
B: Multiplication Property of Equality
C: Substitution Property of Equality
D: Division Property of Equality

anonymous · Answer

not happy with  the last answer?  i still think it is C, since you are "substituting" 15 for C

anonymous · Answer

I did not know it was called Substitution Property of Equality.

turingtest · Answer

C is the only one that makes sense..

anonymous · Answer

But If you understand what variables and linear equations are, sure you won't have problems, chooseing the roght answer.

anonymous · Answer

That is C, like TT said.

anonymous · Answer

frankly i didn't know that either, but it seems to be the only one that makes sense

anonymous · Answer

okay i was just not sure if it was and satellite73 i was just getting another persons opinion

anonymous · Answer

fair enough

anonymous · Answer

I think that everyone here agrees =).

anonymous · Answer

@satellite73 did that get you mad??

anonymous · Answer

i hope not