Question

Решите уравнение: 4x+4/8 +5=9x/7

Answer 1

4(х+1)
----------- +5=9х/7
8
(х+1)/2 + 5=9х/7
(х+1+10)/2=9х/7
(х+11)×7=2×9х
7х+77=18х
18х-7х=77
11х=77
х=77÷11
х=7