Combine like terms:
-5d+5e or 5e-5d
If you want, you can factor out the common 5:
5(e-d) is your answer
The answer is nine because eighteen subtract nine is nine
I’d say 21 tbh unless the sum is half of the brothers age then it would be 9
The answer is 33/55/72because you add them all
Answer:
10s²-6s+9
Step-by-step explanation:
C = -3 + 5s²
B = -2s + 5
2(-3 + 5s²) = -6 + 10s²
3(-2s + 5) = -6s + 15
10s² - 6s + 9