(9x-4)+(15x-5)=18-(25-22x)
(9x - 4) + (15x - 5) = 18 - (25 - 22x) 9x - 4 + 15x - 5 = 18 - 25 + 22x 9x + 15x - 22x = 18 - 25 + 4 + 5 2x = 2 x = 1