Answer:
6 men finish a piece of work in 8 days
1 men finish a piece of work in 8*6 days
4men will finish a piece of work in 48/4
days
..
which is equal to 12 days
Answer:
x=18
Step-by-step explanation:
Answer:
x = 
Step-by-step explanation:
4x-y+2z = 8x+y-4
4x-8x-y+2z = 8x - 8x +y-4
-4x -y +2z= y-4
-4x -y+y +2z = y+y-4
-4x +2z = 2y-4
-4x+2z-2z = 2y-2z-4
-4x = 2y-2z-4
= 