1) (2х) +3(2х) =2,4
2x + 6x = 2.4
2x + 6x = 2,4
8x = 2.4
x = 0.3
2) 4(3х)+5(3х)=8,1
12x + 15x = 8.1
12x + 15x = 8,1
27x = 8.1
1) (2х) +3(2х) =2,4
2x + 6x = 2.4
2x + 6x = 2,4
8x = 2.4
x = 0.3
2) 4(3х)+5(3х)=8,1
12x + 15x = 8.1
12x + 15x = 8,1
27x = 8.1
x = 0.3