Question

0,8(-27-6x)=-5,6(-27+ 6x)
x=​

Answer 1

Пошаговое объяснение:

$0.8( - 27 - 6x) = - 5.6( - 27 + 6x) \\ - 21.6 - 4.8x = - 5.6( - 27 + 6x) \\ - 21.6 - 4.8x = 151.2 - 33.6x \\ - 21.6 - 4.8x + 33.6x = 151.2 \\ - 21.6 + 28.8x = 151.2 \\28.8x = 151.2 + 21.6 \\ 28.8x = 172.8 \\ x = 1728 \div 288 \\ x = 6$