Oh thats easy. It's a piece of cake. Just use your calculator
247 is the correct answer!
Answer:
10+2x= the sum (anything could be put here)
Step-by-step explanation:
Well sum is automatically addition
Doubleing a number is basically multiplying it by 2
so
10+2x= whatever youw ant to put here
Answer:

Step-by-step explanation:
please mark me brainliest