1) 340 x - 416 2 = 18208340x - 832 = 18208340x = 19040x = 56
2) (223440 - 130 * x) / 35 = 6020(223440 - 130x) = 210700-130x = -12740x = 98
3) (31 550 - x) 120 = 10200(17050 - x) * 120 = 102002046000 - 120x = 102002046000 = 120x + 102002035800 = 120xx = 16965.
1) 340 x - 416 2 = 18208
340x - 832 = 18208
340x = 19040
x = 56
2) (223440 - 130 * x) / 35 = 6020
(223440 - 130x) = 210700
-130x = -12740
x = 98
3) (31 550 - x) 120 = 10200
(17050 - x) * 120 = 10200
2046000 - 120x = 10200
2046000 = 120x + 10200
2035800 = 120x
x = 16965.