Question

Решите Уравнение!
На добром слове спасибо!

Answer 1

(5x + 4) / 2 + 3 = 9x/4
(5x + 4 + 6) / 2 = 9x/4
(5x+ 10) / 2 = 9x / 4
4( 5x+ 10) = 9x * 2
20x + 40 = 18x
20x - 18x = - 40
2x= - 40
x = - 40/2
x = - 20