2⋅(x+1,5)=4⋅(x−1,5)
2х+3=4х-6
2х-4х=-6-3
-2х=-9
х=-9:(-2)
х=4.5
4⋅(x+3)=5⋅(x−3)
4х+12=5х-15
4х-5х=-12-15
-х=-27
х=27
2⋅(x+1,5)=4⋅(x−1,5)
2х+3=4х-6
2х-4х=-6-3
-2х=-9
х=-9:(-2)
х=4.5
4⋅(x+3)=5⋅(x−3)
4х+12=5х-15
4х-5х=-12-15
-х=-27
х=27