Ответ №1
1/6 *(х+9) = -1/3х
х+9 = -1/3х :1/6
х+9 = -2х
3х = -9
х = -3
3/4(х+8) = 2х+1
3/4х +3/4 * 8 = 2х+1
3/4х + 6 = 2х+1
6-1 = 2х - 3/4х
5/4х = 5
х = 5 : 5/4
х = 4
Ответ №1
1/6 *(х+9) = -1/3х
х+9 = -1/3х :1/6
х+9 = -2х
3х = -9
х = -3
3/4(х+8) = 2х+1
3/4х +3/4 * 8 = 2х+1
3/4х + 6 = 2х+1
6-1 = 2х - 3/4х
5/4х = 5
х = 5 : 5/4
х = 4
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