Решите: 5(х+1,4)=40х+0,2
Решите задачу:
5(x+1.4) = 40x + 0.2;
5x + 7 = 40x + 0.2;
40x - 5x = 7 - 0.2;
35x = 6.8;
x = 6.8 / 35 = 68/10 : 35 = 68/350;