Perimeter is 20 and the area is 25
Simple,
so you have...
-5m=-35
You are trying to find m, so, to
isolate the variable divide both sides by -5:
m=7
Now, to check your work, plug in m.
-5(7)=-35
-35=-35
Thus, you know your answer is correct.
Answer: I don't see anything
Step-by-step explanation:
If that little dot after the '1' is a comma, then you're correct. Melting doesn't change the mass.