Question

решите уравнение 1/2*4/5*x/3+1/15=1

Answer 1

2x/15 + 1/15 = 1
2x/15 = 14/15
2x = 14
x = 7 

Answer 2

1/2*4/5*х/3+1/15=1; 4х/30+1/15=1; 4х+2/30=1; 4х+2=30; 4х= 30-2; 4х=28; х=7 Ответ: 7