Question

а) 3х+5х+96=1568;
б) 357z-149z-1843=11469;
в) 2у+7у+78=1581

Answer 1

а)3х+5х+96=1568
8х+96=1568
8х=1568-96
8х=1472
х=1472:8
х=184
б)357z-149z-1843=11469
208z-1843=11469
208z=11469+1843
208z=13212
z=13312:208
z=64
в)2y+7y+78=1581
9у+78=1581
9у=1581-78
9у=1503
у=1503:9
у=167