Jika diketahui 3(2x + 4) = 5(x – 2) maka nilai x + 12 adalah

3(2x + 4) = 5(x – 2)
6x + 12 = 5x – 10
6x – 5x = -10 -12
x = -22

x + 12 = -22 + 12 = -10

3(2x + 4) = 5(x -2)
6x + 12 = 5x – 10
6x-5x = -12-10
1x = -22
x = -22
jadi, nilai x + 12 = -22 + 12 =-10

Maaf klok salah..