1) 4,2*(k - 4,5) = 15,384,2k - 18,9 = 15,384,2k = 34,28k = 34,28 / 4,2k = 8,2
2) 19x - 3,84x - 1,85x = 19,519x - 5,69x = 19,513,31x = 19,5x = 19,5 / 13,31x ≈ 1,465
1) 4,2*(k - 4,5) = 15,38
4,2k - 18,9 = 15,38
4,2k = 34,28
k = 34,28 / 4,2
k = 8,2
2) 19x - 3,84x - 1,85x = 19,5
19x - 5,69x = 19,5
13,31x = 19,5
x = 19,5 / 13,31
x ≈ 1,465