Question

Jika (a,a-1) adalah penyelesaian persamaan linear dua variabel 5 x - 3 = 8 nilai 6 a =

Answer 1

(x,y) = (a,a-1)
5(a) - 3(a-1) = 8
5a - 3a + 3 = 8
2a = 5
a = 2,5
6a = 6(2,5) = 15