Question

2ny - 2m = 2y - 4m. Nilai y adalah?

Answer 1

= 2ny - 2m = 2y - 4m
= -2y = - 2ny + 2 m - 4m
= -2y = -2ny-4m
= y = ny - 2m

maka nilai y adalah ny - 2m

Answer 2

2ny - 2m= 2y - 4m

2ny - 2y = 2m - 4m

masing masing ruas dibagi 2

ny - y = m - 2m

y(n-1) = -m

n-1 = -m/y

n = - m/y +1

n= - m/y + y/y

n = (y-m)/y