Answer:
-10xy+2x+y
Step-by-step explanation: Combine like terms.
-7xy-3xy=-10xy
x+x=2x
y is by itself because there is only one y term
Let Peters age be x
Phil's age is 1/5x+7---------------------------(i)
Phil's age can also be calculated as
4(1/5x+7)=2x-2--------------------------------(ii)
So,
4/5x+28=2x-2
28+2=2x-4/5x
30=10/5x-4/5x
30=6/5x
x=30*

x=25
Answer:
Its K, 75
Step-by-step explanation:
Sorry if wrong, do u need me to show the work?
I think it is 2.67 but i might be wrong