Answer:
x - 17
Step-by-step explanation:
[tex]\frac{4}{5} (5x-10)-\frac{3}{4} (12+4x)\\\\(\frac{4}{5}*5x - \frac{4}{5} *10)- (\frac{3}{4} * 12 + \frac{3}{4}*4x) \\\\(4x - 8) - (9 + 3x)\\\\4x-8-9-3x\\\\x-17[/tex]