(25x - 375) * 34 = 34 * 375 + 2550 * 34
(25x - 375) * 34 = 34 * (375 + 2550)
25x - 375= 34 * (375 + 2550) : 34
25x - 375 = 2925
25x = 2925 + 375
25x = 3300
x = 3300 : 25
x = 132
(25x - 375) * 34 = 34 * 375 + 2550 * 34
(25x - 375) * 34 = 34 * (375 + 2550)
25x - 375= 34 * (375 + 2550) : 34
25x - 375 = 2925
25x = 2925 + 375
25x = 3300
x = 3300 : 25
x = 132
850x-12750=34*2925
850x=99450+12750
850x=112200
x=132