Question

1971:х-439=(234•109):117

Answer 1

1971:х-439=(234•109):1171971:х-439=218
1971:х=439+218
1971:х=657
х=1971:657
х=3
1971:3-439=218
наверно так.

Answer 2

234×109=25506
25506÷117=218
218+439=657
1971÷ х=657
х=1971÷657
х=3