3(x-1)-2=12-(4-x)

3(x-1)-2 = 12-(4-x) 3x - 3 - 2 = 12 - 4 + x 3x - x = 12 - 4 + 3 + 2 2x = 13 : 2 x = 6,5

3(x-1)-2=12-(4-x) 3x-3-2=12-4+x 3x-5=8+x 2x=13 x=13/2 x=6 1/2=6,5

3(x-1)-2 = 12-(4-x) 3x - 3 - 2 = 12 - 4 + x 3x-5=x+8 2x=13 /:2 x=13/2=6,5