4.1-7+(-0.12k)=15+4.1-1.12k
4.1 – 7 – 0.12k = 15 + 4.1 – 1.12k
– 0,12k + 1,12k = 4,1 + 15 + 7 – 4,1
k = 22
4.1-7+(-0.12k)=15+4.1-1.12k
4.1 – 7 – 0.12k = 15 + 4.1 – 1.12k
– 0,12k + 1,12k = 4,1 + 15 + 7 – 4,1
k = 22