1) 340x - 316*2 = 18,20340x - 632 = 18,20340x = 18,208 + 63340x = 18,84x = 18,840 / 34x = 55.41
2) (31550 - x)120 = 10,20(17050 - x)*120 = 10,202046000 - 120x = 10,20120x = 2046000 - 10,20120x = 203,58x = 203,580 / 12x = 1696.5
1) 340x - 316*2 = 18,20
340x - 632 = 18,20
340x = 18,208 + 63
340x = 18,84
x = 18,840 / 34
x = 55.41
2) (31550 - x)120 = 10,20
(17050 - x)*120 = 10,20
2046000 - 120x = 10,20
120x = 2046000 - 10,20
120x = 203,58
x = 203,580 / 12
x = 1696.5