Answer:
-2
Step-by-step explanation:

Answer:
40 + x = y
Just use the variables given to make an equation.
Answer: 2w + 4 = 35
Step-by-step explanation:
Carl's two checked bags and his one backpack together weigh 35kg.
Carl's two checked bags have equal weight so both their weight can be denoted as 2w.
Equation is;
2w + 4 = 35
If you were to solve;
2w + 4 = 35
2w = 35 - 4
w = 31/2
w = 15.5kg
How old is Tracy? Seriously it just says 6 the only number and who is younger than Tracy?!
Is the 8 with the problem?