Question

(×+4.2/7)-3.6/7=6 9.5/13-(7.6/13-у)=2.3/13

Answer 1

(x+4 2/7) - 3 6/7 =6 x+4 2/7=6+3 6/7 x+4 2/7=9 6/7 x = 9 6/7 - 4 2/7 x = 5 4/7 9 5/13-(7 6/13-Y)=2 3/13 7 6/13-Y = - 9 5/13+2 3/13 7 6/13-Y = - 7 2/13 Y = 7 6/13- 7 2/13 Y = 4/13