1/4x+3=18-1/12x|•12
3x+36 = 216-x
4x = 216-36
4x = 180
x = 45
ответ: 45
1/4х+3=18-1/12х
1/4х+1/12х=18-3
3/12х+1/12х=15
4/12х=15
1/3х=15
х=45
1/4x+3=18-1/12x|•12
3x+36 = 216-x
4x = 216-36
4x = 180
x = 45
ответ: 45
1/4х+3=18-1/12х
1/4х+1/12х=18-3
3/12х+1/12х=15
4/12х=15
1/3х=15
х=45