Answer:
PEMDAS: x=2
2x=4x-4
-2x=-4
x=2
see below
Step-by-step explanation:
Monica earned twice as much as Samuel
m = 2*s
Divide each side by 2
1/2 m = 1/2 ( 2s)
1/2 m = s
If monica earned 56
1/2 (56) = s
28 =s