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