7k-k-4k+34=70 Решите уравние

Question

7k-k-4k+34=70 Решите уравние

Answer 1

6k - 4k + 34 = 70
2k + 34 = 70
2k = 70 - 34
2k = 36
k = 36 ÷ 2
k = 18

Comments

k(7-1-4)=70-34, 2k=36, k=36:2, k=18