Answer:
2x - 2y
Step-by-step explanation:
P = 7x + 2y
P =a + b + c
7x + 2y = 2x + y +3x - 5y + c
7x + 2y - 5x - 4y
= 2x - 2y
Answer:
6400 please leave brainliest
Answer:
6 Weeks
Step-by-step explanation:
20 + 10x = 50 + 5x
10x = 30 + 5x
5x = 30
x = 6
You need 10 1 g weights Bc 10g=10g