Объяснение:
3(2х+9)-2(х-2)=36
6х+27-2х+4=36
4х+31=36
4х=36-31
4х=5
х=5/4
х=1¼
2Х + 9/4 - X - 2/6 = 3
X + 9/4 - 2/6 = 3
X + 1 11/12 = 3
X = 3 - 1 11/12 = 1 1/12
Объяснение:
3(2х+9)-2(х-2)=36
6х+27-2х+4=36
4х+31=36
4х=36-31
4х=5
х=5/4
х=1¼
2Х + 9/4 - X - 2/6 = 3
X + 9/4 - 2/6 = 3
X + 1 11/12 = 3
X = 3 - 1 11/12 = 1 1/12