tolong jwab dengan caranya

nomor 1
4x = 10x + 12
4x - 10x = 12
-6x = 12
x = 12/-6
x = -2

nomor 2
5x + 2 = 3x + 8
5x - 3x = 8 - 2
2x = 6
x = 6/2
x = 3

nomor 3
10x - 8 = 6x + 12
10x - 6x = 12 + 8
4x = 20
x = 20/4
x = 5

*semoga membantu. sukses selalu ^_^