(5 7/5-x)+2 3/4=3 5/12

Question

(5 7/5-x)+2 3/4=3 5/12

Answer 1

32/5-х=3 5/12-2 3/4
32/5-х=41/12-11/4
32/5-х=41/12-33/12
32/5-х=8/12=2/3
х=32/5-2/3
х=96/15-10/15
х=86/15=5 11/15

Comments

спасибо большое!!!