Question

решите уровнение
3(0, 4х + 7) – 4(0, 8х – 3) = 2

Answer 1

$3(0,4x+7)-4(0,8x-3)=2\\1,2x+21-3,2x+12=2\\-2x=31\\x=-15,5$

Answer 2

1,2х+21-3,2х+12=2, -2х=-31, х=-15,5