Question

Решите уравнения х-230=480 324+х=800 700-х=227 х+420=638

Answer 1

х-230=480 х=480+230 х=710
324+х=800 х=800-324 х=476
700-х=227 х=700-277 х=423
х+420=638 х=638-420 х=218