1) (х-16)* 5=4205x - 80 = 4205x = 500x = 100
2) (16+х)* 20=68020x + 320 = 68020x = 360x = 18
3) (200-х)*6=11401200 - 6x = 1140-6x = -60x = 10
4) (х+30)*110=7700110x + 3300 = 7700110x = 4400x = 40
Корни уравнений:1) x = 1002) x = 183) x = 104) x = 40
1) (х-16)* 5=420
5x - 80 = 420
5x = 500
x = 100
2) (16+х)* 20=680
20x + 320 = 680
20x = 360
x = 18
3) (200-х)*6=1140
1200 - 6x = 1140
-6x = -60
x = 10
4) (х+30)*110=7700
110x + 3300 = 7700
110x = 4400
x = 40
Корни уравнений:
1) x = 100
2) x = 18
3) x = 10
4) x = 40