x=2
Объяснение:
5x-7(x-3)=4x+5
5x-7x+21=4x+5
5x-7x-4x=5-21
-6x=-16
x=16/6
5х-7(х-3)=4х+5
5х-7х+21=4х+5
-2х+21=4х+5
-6х=5-21
-6х=-16
х=-16/-6
х=16/6
x=2
Объяснение:
5x-7(x-3)=4x+5
5x-7x+21=4x+5
5x-7x-4x=5-21
-6x=-16
x=16/6
x=2
x=2
5х-7(х-3)=4х+5
5х-7х+21=4х+5
-2х+21=4х+5
-6х=5-21
-6х=-16
х=-16/-6
х=16/6