Question

Решите уравнение, пожалуйста!
0,3 * (x-2) = 0,8 + 0,4 * (x+4)

Answer 1

$0.3(x - 2) = 0.8 + 0.4(x + 4) \ 0.3x - 0.6 = 0.8 + 0.4x + 1.6 \ 0.3x - 0.4x = 2.4 + 0.6 \ - 0.1x = 3 \ x = 3 div ( - 0.1) \ x = 30 div ( - 1) \ x = - 30$