diketahui persamaan 2 x kurang 4 = 6 x + 8 nilai x + 5 adalah

2x - 4 = 6x + 8
2x - 6x = 8 +4
-4x = 12
x = 12/-4
x = -3

jadi
x + 5 = -3 + 5 = 2

2x-4 = 6x+8
6x-2x = -8-4
4x = -12
x = -3.

Nilai X+5 = -3+5 = 2.