102k -4k = 1960 решите

Question

102k -4k = 1960
решите

Answer 1

102к-4к=98*к
98*к=1960
к= 1960:98
к=20

Answer 2

1) (102 - 4)k = 1960
2) 98k = 1960
3) k = 1960 : 98
4) k = 20