Реши уравнение 10k+2×(7k-2)=5×(4k+3)+3k

Question

Реши уравнение 10k+2×(7k-2)=5×(4k+3)+3k

Answer 1

10k + 14k - 4 = 20k + 15 + 3k
10k + 14k - 20k - 3k = 4 + 15
k = 19
Ответь: k = 19.