(R-1.2):3.2=(k-3.45):1.7

Question

(R-1.2):3.2=(k-3.45):1.7

Answer 1

3,2(k-3,45) = 1,7(R-1,2)
3,2k - 11,04 = 1,7R - 2, 04
3,2k - 1,7R = 11,04 -2,04
3,2k -1,7R = 9
3,2k = 1,7R + 9
1,7R + 9 - 1,7R =9
9 =9.    Равенство верно.