Tony is 3 years older than Marie. This can be modeled with the following equation.
T=M+ 3
Solve the equation for Marie's age, M.
Enter the variable that belongs in the green box
M = [?]-D

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis:

44

step-by-step explanation:

the

3 3 6, because in every triangle the longer side is always shorter than the sum of the other two