1) 2400:x = 22400 = 2xx = 2400/2x = 1200
2) a + 21000 = 100000a = 100000 - 21000a = 79000
3) y * 4 = 560000y = 560000/4y = 140000
4) b - 47000 = 100000b = 100000 + 47000b = 147000
Ответ:1) x = 12002) a = 790003) y = 1400004) b = 147000
1) 2400:x = 2
2400 = 2x
x = 2400/2
x = 1200
2) a + 21000 = 100000
a = 100000 - 21000
a = 79000
3) y * 4 = 560000
y = 560000/4
y = 140000
4) b - 47000 = 100000
b = 100000 + 47000
b = 147000
Ответ:
1) x = 1200
2) a = 79000
3) y = 140000
4) b = 147000