Question

What value of n makes the equation true ?

Answer 1

8 × 0.25n = 2n

8 × -2 = -16

-0.5 × 8 = -4

-0.5 × -4n = 2n

2n - 16 + n= -4 + 2n

2n + n = 3n

3n - 16 = -4 + 2n

-2n -2n

n - 16 = -4

+16 +16

n = 12