Here is you're answer:
In order to solve this equation you must first solve the equation then make a model.
Draw three circles then divide 15 between the 3 circles to equal 5.
Therefore you're answer is "5."
Hope this helps!
Answer:
Step-by-step explanation:
m1 = 63 m2 =117 m3=117 m5=117 m6=63 m7=117 m8=63
It appears to be substitution
I think you are talking about system of equations
I dont know
only doing it for points