3(x-4)+6(x+4)=6x+93

Please note spelling of ALGEBRA.

3(x-4)+6(x+4)=6x+93

3x - 12 + 6x + 24 = 6x + 93
9x + 12 = 6x + 93
9x - 6x + 12 = 6x - 6x + 93
3x + 12 = 93
3x + 12 - 12 = 93 - 12
3x = 81
x = 27

Check it out by substituting 27 for x.