Решите уравнения 1. 3/4=15/х+27 2. 5/9=х-3/27 3. х+1/24=5/8

Question

Решите уравнения 1. 3/4=15/х+27 2. 5/9=х-3/27 3. х+1/24=5/8

Answer 1

1)15/x=27-3/4
15/x=26 1/4
15/x=105/4
105x=60
x=4/7
2)5/9=x-1/9
x=5/9+1/9
x=2/3
3)x=5/8-1/24
x=15/8-1/24
x=14/24
x=7/12