x-984=63x5
х-984=315
х=315+984
х= 1299
5603-x=2874:6
5603-х=479
х=5603-479
х= 5124
x+578=196x3
х+578=588
х=588-578
х= 10
x-984=63x5
х-984=315
х=315+984
х= 1299
5603-x=2874:6
5603-х=479
х=5603-479
х= 5124
x+578=196x3
х+578=588
х=588-578
х= 10