sofidiachenko

Ответ:

[tex]5(x - 2) + 4(x + 3) = 5 - x \\ 5x - 10 + 4x + 12 = 5 - x \\ 5x + 4x + x = 5 + 10 - 12 \\ 10x = 3 \\ x = 0.3[/tex]