8.7х-4.5х=10.5
4.2х = 10.5
х = 2.5
(4.5-х)5.8=8.7
26.1-5.8х=8.7
-5.8х=8.7-26.1
-5.8х = -17.4
х=3
1. 2,5 2. 3
Пошаговое объяснение:
8.7x-4.5x=10.5
4.2x=10.5
x=10.5/4.2
x=2.5
(4.5-x)5.8=8.7
26,1-5.8x=8.7
5.8x=26.1-8.7
5.8x=17.4
x=3
8.7х-4.5х=10.5
4.2х = 10.5
х = 2.5
(4.5-х)5.8=8.7
26.1-5.8х=8.7
-5.8х=8.7-26.1
-5.8х = -17.4
х=3
1. 2,5 2. 3
Пошаговое объяснение:
8.7x-4.5x=10.5
4.2x=10.5
x=10.5/4.2
x=2.5
(4.5-x)5.8=8.7
26,1-5.8x=8.7
5.8x=26.1-8.7
5.8x=17.4
x=3