25<3x+4+9x-6
25<3x+4+9x-6 switch sides
3x+4+9x-6>25 simplify
12x - 2>25 add 2 to both sides
12x>27divide both sides by 12
x>27/12 divide both sides by 3
x>9/4
25<3x+4+9x-6 simplify the right side
25 < 12x - 2 add 2 to both sides
27 < 12x divide both sides by 12
27/12 < x reduce the fraction
9/4 < x
