Question

Rearrange the formula m =
x + y / 2
for y.
A) y = 2mx
B) y = 2m - x
C) y = x - 2m
D) y = 2m + x

Answer 1

we have that
m = (x + y) / 2
x+y=2*m
y=2*m-x

the answer is the option
B) y = 2m - x 

Answer 2

correct answer is 
y=2m-x 

cross multiply then subtract x 
 
hope this helps love