165.9-х-112.33=16.4 245.98+х-598.303=456.43

Question

165.9-х-112.33=16.4 245.98+х-598.303=456.43

Answer 1

1)153.63-х=16.4
х=153.63-16.4
х=137.23
2)-352.323+х=456.43
х=456.43+352.323
х=808.753