Question

(Х+3₋7) - 0.23= 2₋7
(Х+ 4.3) + 6.1=-7.9

Answer 1

(Х+3₋7) - 0.23= 2₋7
х-4-0,23=-5
х-4,23=-5
х=-5+4,23
х=-0,77

(Х+ 4.3) + 6.1=-7.9
х=-7,9-4,3-6,1
х=-18,3