32,31х
Объяснение:
27,5x-9,5x+15,31х-1х = 18х-1х+15,31х = 17х + 15,31х = 32,31х
15,31x+27,5x-9,5x-x
465х+135х-45х-х
х(465+135-45-1)
х(555-1)
32,31х
Объяснение:
27,5x-9,5x+15,31х-1х = 18х-1х+15,31х = 17х + 15,31х = 32,31х
15,31x+27,5x-9,5x-x
465х+135х-45х-х
х(465+135-45-1)
х(555-1)