3-5n=1/2(2n-6) bntuiin;(

Bab Persamaan Linear
Matematika SMP Kelas VII

3 - 5n = (1/2) . (2n - 6)
3 - 5n = n - 3
-5n - n = -3 - 3
-6n = -6
n = -6/-6
n = 1

3-5n = 1/2(2n-6)
3-5n = 2/2n - 3
3+3 = n+ 5n
6 = 6n
6/6 = n
1 = n
maaf kalo salah