5(x+3)-22=38
5x+15-22=38
5x-7=38
5x=38+7
5x=45
x=45:5
x=5
5(х+3)-22=38
5х+15-22=38
5х=38+22-15
5х=45
х=45:5
х=9.
Проверка:
5(9+3)-22=38
45+15-22=38
38=38
5(x+3)-22=38
5x+15-22=38
5x-7=38
5x=38+7
5x=45
x=45:5
x=5
5(х+3)-22=38
5х+15-22=38
5х=38+22-15
5х=45
х=45:5
х=9.
Проверка:
5(9+3)-22=38
45+15-22=38
38=38