1) 7х+2х=3,528
9х = 3,528
х = 0,392
2) (1,24-х)*3,6=3,888
4,464 - 3,6х = 3,888
-3,6х = -0,576
х = 0,16
1) 7х+2х=3,528
9х = 3,528
х = 0,392
2) (1,24-х)*3,6=3,888
4,464 - 3,6х = 3,888
-3,6х = -0,576
х = 0,16